题目内容
x+
x=77.
| 5 | 6 |
分析:先计算x+
x=
x,然后等式的两边同时除以
即可.
| 5 |
| 6 |
| 11 |
| 6 |
| 11 |
| 6 |
解答:解:
x+
x=77
x=77
x÷
=77÷
x=42.
x+
| 5 |
| 6 |
| 11 |
| 6 |
| 11 |
| 6 |
| 11 |
| 6 |
| 11 |
| 6 |
x=42.
点评:本题主要考查解方程,根据等式的性质进行解答即可.
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