adding one step equations
3 + a = 8
5
a - 5 = 4
9
5 - a = 5
0
5a = 25
5
a/9 = 9
81
2+ a = 8
6
a - 10 = 13
23
18 + a = 36
18
25a = 625
25
a/7 = 4
28
6+ a = 21
15
10 - a = 8
2
36 - a = 2
34
18a = 486
27
a/10 = 4
40
30+ a = 150
120
15 - a = 15
0
a +501 = 546
45
17a = 34
2
a/12 = 4
48
12 + a = 16
4
48 - a = 28
20
21 + a = 32
11
8a = 24
3
b/12 = 7
84