3X= 3\8 X×=20× 50% X + X = 3.6
X - 15%X = 68 6X+5 =13.4 4 X-6=38
4 X-3 ×9 = 29 4X-6×=2
0.36×5- X= X - 0.8 X= 16+6 ( X - 4.5) = 7
2(X-2.6)=8 20 X– 8.5= 1.5
X - X -4= 21 4+0.7X=102 X - 25% X = 10