Ecuaciones primer grado 2

ECUACIONES

1 x + 1 = 6 x = 5

2 x + 2 = 5 x = 3

3 x + 3 = 4 x = 1

4 x + 4 = 3 x = -1

5 x + 5 = 2 x = -3

6 x + 6 = 1 x = -5

7 x + 7 = 0 x = -7

8 x + 1 = 3 x = 2

9 x + 2 = 2 x = 0

10 x + 5 = 1 x = -4

11 x + 3 = -2 x = -5

12 x + 4 = -3 x = -7

13 x + 6 = -4 x = -10

14 x – 1 = 3 x = 4

15 x – 2 = 3 x = 5

16 x – 3 = 3 x = 6

17 x – 4 = 0 x = 4

18 x – 5 = -3 x = 2

19 x – 6 = -3 x = 3

20 x – 7 = -3 x = 4

21 x – 1 = 3 x = 4

22 x – 3 = 2 x = 5

23 x – 5 = 1 x = 6

24 x – 2 = -5 x = -3

25 x – 4 = -4 x = 0

26 x – 6 = -3 x = 3

27 2x = 0 x = 0

28 3x = 6 x = 2

30 5x = 15 x = 3

31 6x = 12 x = 2

32 7x = 21 x = 3

33 8x = 24 x = 3

34 5x = 10 x = 2

35 2x = -6 x = -3

36 6x = -12 x = -2

37 -4x = 12 x = -3

38 -3x = -6 x = 2

39 -8x = -16 x = 2

40 15x = 10

3 2 x =

41 30x = 42

5 7 x =

42 12x = -16

3 4 x = −

43 -14x = 21

2 3 x = −

44 -24x =

16

3 2 x =−

45 -22x =

-18

11 9 x =

46 2x + 7 = 1 x= -3

47 3x + 6 = 6 x = 0

48 4x + 5 = 9 x = 1

49 5x + 4 = 15

5 11 x=

50 6x + 3 = 9 x = 1

51 7x + 2 = 16 x = 2

52 8x + 1 = 9 x = 1

53 2x – 1 = 5 x = 3

54 3x – 2 = 1 x = 3

55 4x – 3 = 5 x = 2

56 5x – 4 = 6 x = 2

57 6x – 5 = 1 x = 1

59 8x – 7 = 9 x = 2

60 2x + 4 = 2 x = -1

61 -2x + 2 = 2 x = 0

62 3x – 1 = 2 x = 1

63 -3x + 4 = -2 x = 2

64 4x + 5 = -3 x = -2

65 -4x + 6 = -2 x = 2

66 5x – 2 = 3 x = 1

67 -5x – 3 = 2 x = -1

68 6x – 5 = 1 x = 1

69 -6x – 2 = -8 x = 1

70 7x – 4 = -4 x = 0

71 -7x – 10 = -3 x = -1

72 3

2 x

= x = 6

73 3

3 x

= x = 9

74 2

4 x

= x = 8

75 2

5 x

= x = 10

76 1

6 x

= x = 6

77 1

7 x

= x = 7

78 0

8 x

= x = 0

79 3

2 3x

= x = 2

80 12

3 4x

= x = 9

81 15

4 5x

= x = 12

82 12

5 6x

= x = 10

83 10

6 5x

= x = 12

84 8

7 4x

= x = 14

85 0

8 3x

= x = 0

86 2 4

2 x

=

87 1 3 3

x =

− x = 12

88 4 2

4 x

=

+ x = -8

89 3 1

5 x

=

− x = 20

90 3 1

6 x

=

+ x = -12

91 1 2

7 x

=

− x = 21

92 x + 1 = 2x x = 1

93 -x = -3x + 2 x = 1

94 2x + 3 = 5x x = 1

95 -2x = -6x - 4 x = -1

96 3x – 5 = 2x x = 5

97 -3x = -x - 6 x = 3

98 4x – 1 = 3x x = 1

99 -4x = -6x - 2 x = -1

100 5x – 3 = 2x x = 1

101 -5x = -x + 4 x = -1

102 6x + 5 = x x = -1

103 -6x = -4x + 6 x = -3

104 x + 4 = 6x – 1 x = 1

105 -x – 3 = -5x - 7 x = -1

106 2x + 4 = 4x - 2 x = 3

107 -2x -3 = -3x - 7 x = -4

108 3x + 4 = 2x - 2 x = -6

109 -3x – 3 = -x - 7 x = 2

110 (x – 1) + 2 = 4x - 2 x = 1

111 2x + 3 = 2x + (2x + 1) x=1

112 3x + (x – 1) = 7 + (x – 2) x=2

113 4x+ (3x – 2) = 1 + (x + 3) x=1

114 5x – 1 + (x – 3) = x - 4 x=0

115 3x – 4 = (2x – 3) + (2x + 1) x=-2

117 2x + (3x – 4) + (2x + 1) = (2x + 2) + 5 x=2

118 (3x – 1) + 5x = (4 – 3x) + (x + 5) x=1

119 2 + (4x – 3) = (2x + 1) + x + (2x + 3) x=-5

120 5x – 3 + (x + 4) + 4x = (4 + 2x) + 6 + (x – 2) x=1

121 -2x + (-3 – 2x) + (3x + 3) = 2 + (2x – 5) + (x + 3) x=0

122 3 – (x – 1) = 3x - 4 x=2

123 2x + 2 = 3x – (2x + 1) x=-3

124 2x – (2x – 1) = 7 + (x + 2) x=-8

125 3x – (3x - 2) = 3 – (2x + 3) x=-1

126 (4x – 3) – (2x – 3) = 3x - 5 x=5

127 5x – 1 = - (3x – 2) – (4x + 3) x=0

128 (2 – 3x) – (2x – 1) + 4x = 7 – (3x - 2) x=3

129 6x – (2x – 3) – (3x – 1) = (3x + 2) + 6 x=-2

130 - (4x – 5) + 3x = (4 – x) – (2x + 5) x=-3

131 2 – (3x- 2) = - (x – 3) + 2x – (2x + 3) x=2

132 (3x – 5) – (4x+ 1) + 2x = (2 + 3x) + 6 – (3x – 2) x=16

133 -3x – (-2 – 3x) + (-3x + 4) = 3 – (x – 5) + (3x + 3) x=-1

134 2(x – 1) + 2 = 3x - 2 x=2

135 x + 4 = 2x – 3(2x – 3) x=1

136 4x – (x – 1) = 3 + 4(x – 2) x=6

137 3x – 2(3x – 2) = 5 + (x + 3) x=-1

138 2(3x – 2) – 3(x – 3) = x - 3 x=-4

139 3x – 2 = 3(2x – 1) – 2(2x + 1) x=-3

140 (3 – 2x) + 2(x – 1) + x = 8 – 3(3x – 1) x=1

141 3x – 5(x – 4) – (2x + 4) = 2(3x – 2) x=2

142 3(3x- 2) – 4 = 2(3x-5) – 4(2x – 3) x= 12 / 11

143 1 3

3 x

=

+ x=6

144 2

2 3

x+ = − x=

145 x – 1 = 2 3

x= 2 5

146 2 3

4 x

− =

− x=-4

147 2

2 3 3 x

= −

2 21 x=

148

3 4 4 4 x

− = −

3 32 x=

149

8 1 6 5 x+ =

24 17 x= −

150 2

5 6 2 x

− = +

5 32 x= −

151

8 1 1 6 x

= −

4 27 x=

152

4 3 5 6 x− =−

20 9 x=

153 1

8 6x 4 3 2 x

− =

+ x =7

154

6 7 x 2 3 4 x

− − = − −

9 4 x =

155

4 5 8 3x 1 16 3x

− =

+ x = 12

156

9 7 2 3x 6

5

2x− = − − −

9 1 x = −

157 2

3 2x 3 4 8 3x

+ = +

7 16 x = −

158

6 5 x 5 1 2 3x

+ − = − −

15 31 x = −

159

2 1 4 5x 4

8 5x

− − = +

5

12

x

=

−

160

2 3 3 x 4 3

2x − = −

161 1 4 3x 16

5 8 5x

− − = +

22 21 x = −

162

3 7 2x 2 3 18

x

− − = − −

7 3 x= −

163

2 1 6 5x 2 8 3x

− = −

11 36 x = −

164

15 7 10

x 6 3

2x − = −

−

63 1 x = −

165 2

2 4 x

2 + + = x = -4

166 2

3 2 x

2x − + = − −

7 4 x=

167 2x

4 1 x

3− − = −

7 13 x= −

168 2x

2 4 x 3x+ − = −

9 4 x= −

169 3

3 5 2x

4+ + = x = -4

170 2

4 6 3x

4x− + = − −

19 2 x=

171 3x

2 2 4x

5− − =− x =-6

172 2x

3 3 5x 5x+ − = −

16 3 x= −

173 1

4 x 5

6+ − = x = 25

174 8

2 x 2

6x − − =− −

11 14 x=

175 4x

3 4 2x

7 − − − = −

14 25 x= −

176 3x

4 10 2x

7x + − − = −

177 2x 2

1 x .

3 + =

−

7 3 x= −

178

2 2 x . 3 x =− +

− x= -6

179 5x

3 3 x .

2 − =

13 6 x = −

180

3 4 x . 5 2x = − −

− x= -20

181 2x

4 x 5 .

3 − =

11 15 x =

182

4 x 6 . 6 3x

- = − − x = 2

183 2x

5 1 x .

4 − − =

7 2 x= −

184

5 2 x . 6 4x = − − − −

13 6 x=−

185 2x

6 3 2x .

5 + =

2 15 x =

186

6 4 3x . 5

4x = − −

−

9 20 x = −

187 x

8 4x 5 .

6 − =

16 15 x=

188

8 6 5x . 4 5x

- = − − −

5 2 x =

189 2x 1

10 9 x 15

2 x

+ = + + −

4 1 x = −

190 2

8 5 6x 6

x 1 8

2x− + − = − −

4 5 x = −

191 x 2

9 2x 4 . 5 4 6 5

3x − − = − − + −

16 11 x=

192

4 4 3x . 3 8 5x 5

3x + = − −

−

193 3 3 2x x 3 2 4

1 2x .

5 − − = + −

10 13 x= −

194 4

4 1 4x 2

3x 1 . 4 8 5x

− − = − +

3 2 x =

195 x 1

3 x 2 . 3 5 6 3 2 x

+ − − − = + − −

5 8 x = −

196

4 2 x . 5 8 3x 5 12

3

2x + − = + +

− x = -2

197 2

9 2x 6

x 4 3

2 x .

3 − − − = − +

−

11 12 x = −

198 2

16 3 2x . 2 8 3 x 4

2 x .

4 + + − = − + −

− x = 3

199 5

6 2 3x . 4 3

x 2 . 2 4 3x

+ − =

− − −

5 12 x = −

200

2 3x 6 x 4 1 8

1 4x .

6 + − = + −

−

5 8 x= −

201 (x 2) 5

x + =

2 5 x=−

202 ( x 3)

2 x

− −

= x= -2

203 (x 2)

6 x

− − =

7 12 x =

204 (3 x)

4 x

− − = −

5 12 x =

205 ) 2

3 x 2

( − = − x= 12

206 1) 2

8 x

( + = −

− x= 8

207

3 10 2) x ( .

5 + =

3 4 x= −

208 0

5 12 ) 3 x ( .

3 − + =

209       + − = 3 16 2x 4x 9 8 x = −

210 

     − = − x 2 21 7x 4 7 x= −

211

(

)

3 16 x

3 .

8 − =

− 3 11 x= 212 11 18 ) x 1 ( .

2 − = −

−

11 2 x=

213 3 1 3

3 x = +      

− x = 15

214 3x 2

2 3

x  = −

     − + 4 7 x=

215 

     + = − 2 3 2x 1 x 2 5 x=−

216 2 2 3

4 x − = −       −

− x= - 4

217 2

3 2 3x

x =

     + + 3 1 x=

218 

     − − = + 4 3 2x 3 x 4 5 x = −

219 2

2 3 1 3 x .

2 − =

     + 4 9 x = 220 3 4 4 1 3 x . 4 4 x − =       + − 13 4 x =

221 .

(

)

4 1 6 5

x + = −

15 4 x= −

222 1

5 6 3 1 2 x . 3 2 = +       − − 15 1 x = −

223 8 1 2 1 3 2x . 5 6 6 x =       − − 4 3 x =

224 

225

(

)

4 x . 3

2 + + = x = -4

226

(

)

3 2 x . 2

2x − − + = − −

2 5 x=

227

(

)

4 1 x . 3

3− − = − x = -3

228

(

)

2 4 x . 5

= − − −

3 4 x =

229

(

)

3 3 2x . 4

4+ + =

8 15 x =−

230

(

)

4 6 3x . 5

4x − − + =

− x = 6

231

(

)

2 2 4x . 3

5− − = −

3 8 x =

232

(

)

3 3 2x . 2

= + − −

x = 6

233

(

)

2 x 2 . 3

2 + − =

3 8 x =

234

(

)

2 x 2 . 3

3x − − − =−

−

9 14 x =

235

(

)

3 3 2x . 4

3− − − = −

2 3 x = −

236

(

)

4 10 2x . 4

= − − − −

4 5 x =

237

(

)

8 2 x . 6 4 3 2 x

− + =

+ x= 1

238

(

)

6 1 x 3

1 x . 2 4 x

− − = − −

− x = -10

239

(

)

4 5 8 3x 1 16

x 2 . 3

− = + − −

x = 10

240

(

)

9 1 x . 2 2 3x 6

1

2x − = − − − −

−

241

(

)

1 x . 2 3 4 8 3x

+ + − =

+ x = 0

242

(

)

6 5 x 5

x 1 . 3 2 3x

− − = − − −

3 7 x=−

243

(

)

2 3 4 5x 2 8

1 2x . 3

+ − = + +

16 7 x = −

244

(

)

2 2x 1 . 3 3 x 4 9

2x − = − −

16 9 x = −

245

(

)

4 2 3x . 2 16

5 8 3x

− − −

= +

6 1 x = −

246

(

)

3 7 2x 2

4 3x . 3 18 7x

− − = − − − −

11 15 x = −

247

(

)

2 3 6 5x 1 8

2 4x . 3

− = − −

8 3 x=

248

(

)

15 3x 3 . 2 10 12x 6 3

2x − = − −

4 1 x =

249 2.

(

)

2 1 x .

3 + = +

−

7 11 x = −

250

(

)

5 2 x . 2 . 3

x= − +

− x = - 12

251 5.

(

)

3 3 x .

2 − = − − x = 3

252

(

)

3 4 x . 2 . 5

2x = − − −

−

2 5 x=

253 2.(2x 1) 4

x 3 .

3 − = −

19 17 x =

254

(

)

4 3x 6 . 2 . 6

3x = − −

−

2 3 x=

255 2x

5 ) 1 x ( .

4 − + =

7 2 x = −

256

(

)

3 3 x . 5 3 2x .

3 − = − − −

−

257

(

)

5 + =

7 15 x = −

258

(

)

5 6x 3 . 4 3x 2 .

3 − = − −

−

7 6 x =

259

(

)

8 4x 5 . 4 .

3 − =

14 15 x = 260 8 6 5x . 4 ) 3 2x ( .

5 − − = − − −

−

5 8 x = −

261 2x 1

10 9 x 15 2 x + =       + + − 4 1 x =−

262 2

8 5 6x 6 x 1 8

2x  = − −

     ₋ − − 4 5 x= −

263 2

5 x 9 2x 4 . 5 4 6 5

3x  −

     − − − = − − 16 11 x = 264 4 4 3x . 3 8 5x 3 5 x .

3  = − −

     − − 11 16 x =

265 

     − + =       − − 2 3 3 x . 2 x 15 2 4 1 2x . 5 10 13 x = −

266

(

)

4 1 1 x . 4 3x 1 16 5x .

2 = − −

     − + 3 2 x =

267

(

) (

)

3 x 2 . 3 5 6 3 2 x − − − − =       − − − 5 8 x = −

268

(

)

     ₊ + = −       − − 2 2 . 5 4 3 . 2 1 5 24 3 .

2 x x x x = -2

269 

     − − =       ₋ + − − 2 9 2x 18 x 4 3 2 x . 3 11 12 x = −

270 

     − + − = −       − − + − 1 16 3 2x . 2 8 3 4 1 2 x 4 3 2x .

4 x = 3

271

(

)

3 2 x . 2 3 x 2 . 8 3x . 4 1 +       − =       ₋ + − 5 12 x = −

272 