Question

Помогите, срочно, пожалуйста
5.6-3(2-2/5x)=0.4(4x+1)

Answer 1

5.6-3(2-2/5x)=0.4(4x+1)

5.6 - 6 + 6 / (-15x) = 1.6x + 0.4

-0.4 - 0.4x = 1.6x + 0.4

-0.4x = 1.6x + 0.8

2x + 0.8 = 0

2x = -0.8

x = -0.4