Question

2•(0,4x-1,2)=x+1,4решите срочно

Answer 1

2(0,4x-1,2)=x+1,4
0,8x-2,4=x+1,4
-0,2x-3,8=0
0,2x+3,8=0
0,2x=-3,8
x=-19

Answer 2

$2(0.4x-1.2)=x+1.4\ 0.8x-2.4=x+1.4\ -0.2x=3.8\ x=-19$