题目内容
解方程或比例.
| ①8x-3x=105 | ②2(x-2.6)=8 | ③
|
①8x-3x=105,
5x=105,
5x÷5=105÷5,
x=21;
②2(x-2.6)=8,
2(x-2.6)÷2=8÷2,
x-2.6=4,
x-2.6+2.6=4+2.6,
x=6.6;
③
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