Question

Solve for a:
9a-54=36

Answer 1

a=10

Explanation:

Add 54 to both sides. You get 9a=90. Divide both sides by 9 and you get a=10.

Answer 2

a=10

Explanation:

Step 1: Add 54 to both sides.

9a−54+54=36+54

9a=90

Step 2: Divide both sides by 9.

9a\9 =90\9

a=10