题目内容
解方程
| 1.5x-2
| 6x-15=27. |
(1)
x+5=8
,
x+5-5=8
-5,
x÷
=3
÷
,
x=10;
(2)1.5x-2
=
,
1.5x-2
+2
=
+2
,
1.5x÷1.5=2.5÷1.5,
x=
;
(3)6x-15=27,
6x-15+15=27+15,
6x÷6=42÷6,
x=7.
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x=10;
(2)1.5x-2
| 1 |
| 4 |
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| 4 |
1.5x-2
| 1 |
| 4 |
| 1 |
| 4 |
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| 4 |
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1.5x÷1.5=2.5÷1.5,
x=
| 5 |
| 3 |
(3)6x-15=27,
6x-15+15=27+15,
6x÷6=42÷6,
x=7.
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