1/4x-1/2=3/4 x-2=3 x=5 1/2x-7=9x-2/6 3x-42=9x-2 6x=-40 x=-20/3 1/5x-1/2(3-2x)=1 2x-5(3-2x)=10 2x-15+10x=10 12x=25 x=25/12
