Answer:
a=10
Step-by-step 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
Add 54 to both sides. You get 9a=90. Divide both sides by 9 and you get a=10.
