题目内容
7x+
=
.
| 1 |
| 5 |
| 2 |
| 3 |
7x+
=
7x=
-
7x=
x=
÷7
x=
;
故答案为:
| 1 |
| 5 |
| 2 |
| 3 |
7x=
| 2 |
| 3 |
| 1 |
| 5 |
7x=
| 7 |
| 15 |
x=
| 7 |
| 15 |
x=
| 1 |
| 15 |
故答案为:
| 1 |
| 15 |
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题目内容
| 1 |
| 5 |
| 2 |
| 3 |
| 1 |
| 5 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 5 |
| 7 |
| 15 |
| 7 |
| 15 |
| 1 |
| 15 |
| 1 |
| 15 |