题目内容
| 解方程. 6x-4x=26 | 10.4x-5.4x=75 | 18m+4m=88 |
| 4y+y=17 | 9a-6a=12.6 | y-0.36y=64. |
(1)6x-4x=26,
2x=26,
2x÷2=26÷2,
x=13;
(2)10.4x-5.4x=75,
5x=75,
5x÷5=75÷5,
x=15;
(3)18m+4m=88,
22m=88,
22m÷22=88÷22,
m=4;
(4)4y+y=17,
5y=17,
5y÷5=17÷5,
y=3.4;
(5)9a-6a=12.6,
3a=12.6,
3a÷3=12.6÷3,
a=4.2;
(6)y-0.36y=64,
0.64y=64,
0.64y÷0.64=64÷0.64,
x=100.
2x=26,
2x÷2=26÷2,
x=13;
(2)10.4x-5.4x=75,
5x=75,
5x÷5=75÷5,
x=15;
(3)18m+4m=88,
22m=88,
22m÷22=88÷22,
m=4;
(4)4y+y=17,
5y=17,
5y÷5=17÷5,
y=3.4;
(5)9a-6a=12.6,
3a=12.6,
3a÷3=12.6÷3,
a=4.2;
(6)y-0.36y=64,
0.64y=64,
0.64y÷0.64=64÷0.64,
x=100.
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