The inverse operation of addition?
What is subtraction?
The inverse operation of subtraction.
What is addition?
The inverse operation of multiplication.
The inverse operation of division.
The sum of 25 and 4.
29
8 + b = 12
b = 4
8 - b = 3
b = 5
24 = 4b
b = 6
36 / b = 4
b = 9
The difference of 25 and 4.
21
c + 11 = 14
c = 3
c - 13 = 11
c = 24
6c = 36
c = 6
c / 6 = 8
c = 48
The product of 25 and 4.
100
5 + d = 7
d = 2
32 - d = 13
d = 19
45 = 5d
d = 9
60 / d = 10
d = 6
The quotient of 24 and 4.
6
e + 7 = 18
e = 11
e - 32= 9
e = 41
8e = 48
e = 6
e / 9 = 6
e = 54
The square root of 4.
2
17 + f = 23
f = 6
31 - f = 25
f = 6
91 = 9f
f = 9
72 / f = 8
f = 9
The square root of 9.
3
g + 21 = 30
g = 9
g - 14 = 24
g = 38
8g = 72
g = 9
g / 9 = 9
g = 81
The square root of 25.
5