x-6=9 find x
15
16
2a+3=7 find a
2
3
3b+4=b+12 find b
4
3c+5=c+15 find c
5
6
3(b+2)=15 find b
x/2-4=3 find x
14
11
4-x/3=1
9
10
32.5% of 215
69.875
70
27.4% of 96
26.304
27
1/8 of 112