Answer:
The first step is collecting like terms putting together those equation with same variable
Explanation:
1. 6n+4+3n+8
6n+3n+4+8
2. 9n+12
final answer:.9n+12
Answer:9n+12
Step-by-step explanation: 6n + 3n = 9n
4+8 = 12
9n + 12
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