3x = 0.6 x+6 = 145 24+x = 28 x÷0.5 = 3 x- 154 = 6
x- 12.5 = 25 3.5x = 2.8x÷0.8 = 5 x+ 1.25 = 25 4.5x 18
15+x = 42 3.5-x = 2.5 x÷0.5 = 5 x-8.6 = 8.6 x÷ 12 = 2.5
8x = 4 20-x = 20 25÷x = 10 0.25 x = 8 x-32 = 75
x+ 16 = 76 x-7/9 = 2 6x = 0. 12 x÷0.5 = 25 4/ 15+x = 7/20
x-7/ 18 = 0 125 x = 10 1÷x = 25 47-x = 8 5x = 1.65
x- 1 1.5 = 16.5 22-x = 16.5 5.8+x = 30 24x = 12 5. 1x = 8.6
4x = 3.2y-4.7 = 7.6 3x = 1.02 x÷3 = 1.02 4.8+x = 40.8