9x/0.7=9;
9x=6.3
x=0.7
25-3x=19
3x=6
x=2
4(x-9)=4
x-9=1
x=10
x-18-4=8
x-22=8
x=30
5.6x-4.5/3=5.5
5.6x-1.5=5.5
5.6x=7
x=1.25
(7-1.4)x=1.47*2
5.6x=2.94
x=0.525
3.5x-14.5=3.5-x
4.5x=18
x=4
8x-1.24*4=23
8x-4.96=23
8x=27.96
x=3.495
1.24*4+3.2=8x
4.96+3.2=8x
8.16=8x
x=1.02