1.48x3/4-48x1/6=36-8=28
2.3/4x(4/9+5/9)=3/4x1=3/4
3.x(1/8+7/8)=1/5x1=1/5
4.12x1/2+12x1/3+12x1/4=13
1.X=1/3
2.X=1
3.X=4/5
4.X=25/6
1.48x3/4-48x1/6=36-8=28
2.3/4x(4/9+5/9)=3/4x1=3/4
3.x(1/8+7/8)=1/5x1=1/5
4.12x1/2+12x1/3+12x1/4=13
1.X=1/3
2.X=1
3.X=4/5
4.X=25/6