题目内容
| 1 |
| 2 |
| 2 |
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| 2 |
| 3 |
分析:先化简方程,再依据等式的性质,方程两边同时除以
求解.
| 7 |
| 6 |
解答:解:
x+
x=
,
x=
,
x÷
=
÷
,
x=
.
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x=
| 4 |
| 7 |
点评:本题主要考查学生运用等式的性质解方程的能力.
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