SOLUTION: Please help me solve for n on this equation; (7n-9)+(5n+45)=180

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Question 640671: Please help me solve for n on this equation; (7n-9)+(5n+45)=180
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
First combine like terms:
12n+36=180
Subtract 36 and divide by 12
n=12
Make sense?
RJ
www.math-unlock.com