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(7-4.5n)9=22.5
We move all terms to the left:
(7-4.5n)9-(22.5)=0
We add all the numbers together, and all the variables
(-4.5n+7)9-(22.5)=0
We add all the numbers together, and all the variables
(-4.5n+7)9-22.5=0
We multiply parentheses
-36n+63-22.5=0
We add all the numbers together, and all the variables
-36n+40.5=0
We move all terms containing n to the left, all other terms to the right
-36n=-40.5
n=-40.5/-36
n=1+1/8
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