题目内容
| 2 |
| 3 |
| 1 |
| 2 |
分析:先化简,再依据等式性质,两边同时除以
求解.
| 7 |
| 6 |
解答:解:
x+
x=4,
x=4,
x÷
=4÷
,
x=3
.
| 2 |
| 3 |
| 1 |
| 2 |
| 7 |
| 6 |
| 7 |
| 6 |
| 7 |
| 6 |
| 7 |
| 6 |
x=3
| 3 |
| 7 |
点评:本题主要考查学生依据等式性质解方程的能力.
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