Question

Решите уравнение
0.5 * (8 - 0.1x) = 2

Answer 1

0.5*(8-0.1)=2
8-0.1x=2:0.5
8*0.1x=4
0.1x=4:8
0.1x=0.5
x=0.5:0.1
x=5