Answer:
C. 6
Explanation:
-6 + 4a = 18
4a = 18 + 6
4a = 24
a = 24 ÷ 4
a = 6
Add 6 to each side
-6+6 + 4a = 18+6
Divide each side by 4
4a/4 = 24/4
a =6
5.1m questions
6.7m answers