题目内容
解方程:
①3(2x-1)-2(1-x)=0;
②
+
=2-
.
①3(2x-1)-2(1-x)=0;
②
| 5y+4 |
| 3 |
| y-1 |
| 4 |
| 5y-5 |
| 12 |
①6x-3-2+2x=0,
8x-5=0,
8x=5,
∴x=
;
②4(5y+4)+3(y-1)=24-(5y-5),
20y+16+3y-3=24-5y+5,
20y+3y+5y=24+5-16+3,
28y=16,
∴y=
.
8x-5=0,
8x=5,
∴x=
| 5 |
| 8 |
②4(5y+4)+3(y-1)=24-(5y-5),
20y+16+3y-3=24-5y+5,
20y+3y+5y=24+5-16+3,
28y=16,
∴y=
| 4 |
| 7 |
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