题目内容
解下列方程:
(1)3(4x-1)+5(3x+2)=7(2x-1)+1;
(2)
-
=1+
;
(3)
-
=2.
(1)3(4x-1)+5(3x+2)=7(2x-1)+1;
(2)
| x-2 |
| 6 |
| x+2 |
| 3 |
| x-1 |
| 2 |
(3)
| x+4 |
| 0.2 |
| x-3 |
| 0.5 |
(1)12x-3+15x+10=14x-7+1,
13x=-13,
x=-1;
(2)x-2-2x-4=6+3x-3,
-4x=9,
x=-
;
(3)5x+20-2x+6=2,
3x=-24,
x=-8.
13x=-13,
x=-1;
(2)x-2-2x-4=6+3x-3,
-4x=9,
x=-
| 9 |
| 4 |
(3)5x+20-2x+6=2,
3x=-24,
x=-8.
练习册系列答案
相关题目