0.4x+(-x-1.8)=-2(0.5x-0.3)
0.4x+(-x-1.8)=-2(0.5x-0.3) -0.4x-0.72=-1x+0.6 -0.4x+1x=0.72+0.6 +0.6x=1.32 x=1.32/0.6 x=2.2