题目内容
解方程.
| 4X=
| X+
|
(1)
x=
,
x÷
=
÷
,
x=
;
(2)4X=
×
,
4x=
,
4x÷4=
÷4,
x=
;
(3)X+
X=9,
x=9,
x÷
=9÷
,
x=6.
| 8 |
| 9 |
| 4 |
| 5 |
| 8 |
| 9 |
| 8 |
| 9 |
| 4 |
| 5 |
| 8 |
| 9 |
x=
| 9 |
| 10 |
(2)4X=
| 8 |
| 7 |
| 1 |
| 5 |
4x=
| 8 |
| 35 |
4x÷4=
| 8 |
| 35 |
x=
| 2 |
| 35 |
(3)X+
| 1 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
x=6.
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