1,2x-(6,4-0,4x)=1,3x+(0,4x-5)

Question

1,2x-(6,4-0,4x)=1,3x+(0,4x-5)

Answer 1

1,2x-6,4+0,4=1,3x+0,4x-5
1,2x-1,3x-0,4x=-5-0,4+6,4
-0,5x=55
x=55÷(-0,5)
x=-110
Ответ:-110