7X+6=8-3X4X 3(20-X)=6X-7(9-X)2(X-2)-3(4X-1)=9(1-X)
1-4(X+3)=3(X+2) 4(X-2)-[5(1-2X)-4(5X-1)]=0
2X+3(2X-1)=16-(X+1)3X+1-2X-1=1 3X+1-2X-1=6
3(X+1)-2(X-1)=13(X+1)-2(X-1)=6 3X-1-4X+3=6
3X-3-4X-6=63X+1-4X-3=63X-1+4X-6=6
54+X=2(48-X) 48+X=2(54-X)54-X=2*4848+X=2*54