题目内容
3x+
|
(
|
(
|
(1)3x+
x=62,
3
x=62,
3
x÷3
=62÷3
,
x=16;
(2)(
+
)x=
,
x=
,
x÷
=
÷
,
x=
;
(3)(
×17)x-12x=16,
x-12x=16,
x=16,
x÷
=16÷
,
x=10.
| 7 |
| 8 |
3
| 7 |
| 8 |
3
| 7 |
| 8 |
| 7 |
| 8 |
| 7 |
| 8 |
x=16;
(2)(
| 5 |
| 8 |
| 5 |
| 6 |
| 13 |
| 70 |
| 35 |
| 24 |
| 13 |
| 70 |
| 35 |
| 24 |
| 35 |
| 24 |
| 13 |
| 70 |
| 35 |
| 24 |
x=
| 156 |
| 1225 |
(3)(
| 4 |
| 5 |
| 68 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
| 8 |
| 5 |
x=10.
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