Answer:
n=1.5
Step-by-step explanation:
8n+12+(-9)+6n
-6n -6n
2n+3/2
n=3/2
Answer: 14n + 3
Remove parentheses.
8n + 12 + 9 - 6n
Collect like terms.
(8n + 6n) + (12 - 9)
Simplify
14n + 3