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(9-5)n=-30
We move all terms to the left:
(9-5)n-(-30)=0
We add all the numbers together, and all the variables
4n-(-30)=0
We add all the numbers together, and all the variables
4n+30=0
We move all terms containing n to the left, all other terms to the right
4n=-30
n=-30/4
n=-7+1/2
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