4 (1-0,5x)=-2 (3+2x)
4 - 2x = -6 - 4x
2x - 4x = -6 - 4
-2x = -10
x = 5
5 (x+1,2)=12,5x
5(x + 1.2) = 12.5x
5x + 6 = 12.5x
6 = 7.5x
x = 0.8
4 (1-0,5x)=-2 (3+2x)
4 - 2x = -6 - 4x
2x - 4x = -6 - 4
-2x = -10
x = 5
5 (x+1,2)=12,5x
5(x + 1.2) = 12.5x
5x + 6 = 12.5x
6 = 7.5x
x = 0.8