Identify which property of equality is used to transform equation 1 to equation 2. equation 1: 5 + x = 9 equation 2: x = 4 a. subtraction property of equality b. division property of equality c. multiplication property of equality d. addition property of equality

Hi there!

Subtraction property of equality.

x=4

The answer must have a positive sign.*

Step-by-step explanation:

Subtraction property of equality

a-c=b-c

First, you switch sides of an equation.

Then, you subtract by 5 from both sides of an equation.

Finally, you can also subtract by the numbers.

Hope this helps!

Thanks!

-Charlie

:)

:D

72 is the answer to this problem