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(7n-3)+37=90
We move all terms to the left:
(7n-3)+37-(90)=0
We add all the numbers together, and all the variables
(7n-3)-53=0
We get rid of parentheses
7n-3-53=0
We add all the numbers together, and all the variables
7n-56=0
We move all terms containing n to the left, all other terms to the right
7n=56
n=56/7
n=8
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