题目内容
解方程.
| 9.5x-5.3x=12.6 | 6x+5×4.4=40. |
(1)9.5x-5.3x=12.6,
4.2x=12.6,
4.2x÷4.2=12.6÷4.2,
x=3;
(2)6x+5×4.4=40,
6x+22=40,
6x+22-22=40-22,
6x=18,
6x÷6=18÷6,
x=3.
4.2x=12.6,
4.2x÷4.2=12.6÷4.2,
x=3;
(2)6x+5×4.4=40,
6x+22=40,
6x+22-22=40-22,
6x=18,
6x÷6=18÷6,
x=3.
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