摘要:解下列方程(5分4=20分) ①7x+6=8-3x ②4x-3 ③-=1- ④-=
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解下列方程
(1)-8x+3=-7x
(2)
-7=5+x
(3)-5=5m-7(1-m)
(4)
-
=1
(5)3(2y-3)-
(3-2y)=7(2y-3)
(6)2[
x-(
x-
)]=
x.
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(1)-8x+3=-7x
(2)
| x |
| 2 |
(3)-5=5m-7(1-m)
(4)
| x+1 |
| 0.2 |
| 0.2x-1 |
| 0.1 |
(5)3(2y-3)-
| 1 |
| 3 |
(6)2[
| 4 |
| 3 |
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 4 |