题目内容
| 3 |
| 4 |
| 4 |
| 3 |
| 1 |
| 2 |
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| 2 |
答:去括号得:
x-
-6=
x+1,
移项得:
x-
x=1+6+
,
合并同类项得:-x=
,
系数化为1得:x=-
.
| 1 |
| 2 |
| 1 |
| 4 |
| 3 |
| 2 |
移项得:
| 1 |
| 2 |
| 3 |
| 2 |
| 1 |
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合并同类项得:-x=
| 29 |
| 4 |
系数化为1得:x=-
| 29 |
| 4 |
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题目内容
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