问题
解答题
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答案
(1)4x+3.6=7.2,
4x+3.6-3.6=7.2-3.6,
4x=3.6,
4x÷4=3.6÷4,
x=0.9;
(2)5×(x-6)=12×2,
5×(x-6)÷5=12×2÷5,
x-6=4.8,
x-6+6=4.8+6,
x=10.8;
(3)1.5x=2.8-2x,
1.5x+2x=2.8+2x-2x,
3.5x=2.8,
3.5x÷3.5=2.8÷3.5,
x=0.8;