1.12(x-0.8)=27.6 12x-9.6=27.6 12x=37.2 x=3.1
2.15x=13(5.6-x) 15x=72.8-13x 15x+13x=72.8 x=2.6
3.20x=8(x+2.1) 20x=8x+16.8 20x-8x=16.8 12x=16.8 x=1.4
1.12(x-0.8)=27.6 12x-9.6=27.6 12x=37.2 x=3.1
2.15x=13(5.6-x) 15x=72.8-13x 15x+13x=72.8 x=2.6
3.20x=8(x+2.1) 20x=8x+16.8 20x-8x=16.8 12x=16.8 x=1.4