Решите уравнение 3*(0,4х+1,4)=х-0,8

Question

Решите уравнение 3*(0,4х+1,4)=х-0,8

Answer 1

1.2x +4.2=x-0.8
1.2x-х =-0,8-4,2
0,2х=-5
х=-25

Answer 2

1.2x + 4.2 = x - 0.8
1.2x - x = - 0.8 - 4.2
0.2x = - 5
x = - 25