Question

方程(x-18)×1.2=x-14怎么解?

Answer 1

(x-18)×1.2=x-14

1.2x-21.6=x-14

1.2x-21.6+21.6=x-14+21.6

1.2x=x+7.6

1.2x-x=x+7.6-x

0.2x=7.6

0.2x÷0.2=7.6÷0.2

x=38