Whole Numbers
6x - 8 = 52
x=10
4x - 13 = -13
x=0
x/5 + 3 = 11
x=40
2+2
4
72=6q
q=12
4x - 4 = 44
x=12
9 - 8x = - 23
x=4
x/4 + 16 = 10
x=24
What is the inverse of addition?
Subtraction
m/6=7
m=42
11x + 6 = 83
x=7
-8x + 10 = 18
x=-1
-7 + 2x = -17
x=-5
5+5
10
8b=56
b=7
10x + 2 = 112
x=11
-9x + 8 = -1
x=1
5x + 3 = 18
x=3
What is the inverse of Multiplication?
Division
42=3s
s=14
10x + 3 = 43
x=4
-6x + 6 = 30
x=-4
11x + 6 = 83
x=7
10+10
20
6=y/8
y=48