Question

Use the properties of an equality to solve the following equations.

(9) 8 = z + 5

Answer 1

8 = z + 5
Using the subtraction property of equality, we get:
8 – 5 = z + 5 – 5
3 = z + 0
We know:
Any number + 0 = The same number
⇒ 3 = z
Thus, the value of z is 3.