题目内容
列方程求x的值.

(1)5×x-6=72,
5x-6+6=72+6,
5x=78,
5x÷5=78÷5,
x=15.6;
(2)x×15+15=45,
x×15+15-15=45-15,
x×15=30,
x×15÷15=30÷15,
x=2;
(3)28-12+0.5x=96,
16+0.5x=96,
16+0.5x-16=96-16,
0.5x=80,
0.5x÷0.5=80÷0.5,
x=160.
5x-6+6=72+6,
5x=78,
5x÷5=78÷5,
x=15.6;
(2)x×15+15=45,
x×15+15-15=45-15,
x×15=30,
x×15÷15=30÷15,
x=2;
(3)28-12+0.5x=96,
16+0.5x=96,
16+0.5x-16=96-16,
0.5x=80,
0.5x÷0.5=80÷0.5,
x=160.
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