Addition
x + 4 = 25
What is 21
x - 2 = 6
What is 8
9x = 27
What is 3
y/6 = 2
What is 12
a + 13 = 20
What is7
d - 7 = 9
What is 16
7x = 63
What is 9
x/4 = 14
What is 56
n + 8 = 14
What is 6
k - 12 =48
What is 60
5e = 400
What is 80
x/6 = 6
What is 36
x + 36 = 100
What is 64
x - 24 =20
What is 44
2x = 40
What is 20
12 = a/3
What is 36
27 = c + 13
What is 14
a - 25 = 75
What is 100
3y = 36
What is 12
15 = x/4
What is 60