X=17
17
X=12
12
X =2
1
20+x=9
11
2x = 12
X = 6
7+ x = 14
X= 14
X+x=16
X=8
10x + 7 =27
X = 2
X+100-75=31
6
X + 10 - 5 = 7
X +100-75= 31
5x = 5
X =1
17 + x = 20
X = 3