Question

решите уравнение x×1.2=0.8x×1.4

Answer 1

x×1.2=0,8x×14
1.2x=0.8x×14
1.2x=11.2
1.2x-11.2=0
-10x=0
$frac{-10x}{-10}=0$
x=0

Answer 2

x=0