题目内容
解方程
x÷
| 4x+
| x-
|
(1)x÷
=
,
x÷
×
=
×
,
x=
;
(2)4x+
=
,
4x+
-
=
-
,
4x=
,
4x÷4=
÷4,
x=
;
(3)x-
x=
,
x=
,
x÷
=
÷
,
x=2;
| 6 |
| 7 |
| 3 |
| 14 |
x÷
| 6 |
| 7 |
| 6 |
| 7 |
| 3 |
| 14 |
| 6 |
| 7 |
x=
| 9 |
| 49 |
(2)4x+
| 5 |
| 8 |
| 3 |
| 4 |
4x+
| 5 |
| 8 |
| 5 |
| 8 |
| 3 |
| 4 |
| 5 |
| 8 |
4x=
| 1 |
| 8 |
4x÷4=
| 1 |
| 8 |
x=
| 1 |
| 32 |
(3)x-
| 3 |
| 5 |
| 4 |
| 5 |
| 2 |
| 5 |
| 4 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 4 |
| 5 |
| 2 |
| 5 |
x=2;
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