1. Subtract the same value on each side
Add the same value on each side
Addition Property of Equality:
Subtraction Property of Equality:
Write an equation that represents the statement, then solve it.
The difference of y and 5.8 is 12.2.
Subtract the same value on each side
Find the value of x for
the given triangle
if P = 46 in. 9 in x
15 in

2. Divide each side by the same value
Division Property of Equality:
Multiplication Property of Equality:
Write an equation that represents the statement, then solve it.
You earn $6 per hour. How
many hours will it take for
you to earn $90?
Multiply each side by the same value
Write an equation that represents the statement, then solve it.
The number of bicycles, b, divided by 12 equals 2.