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163+(87+n)=303
We move all terms to the left:
163+(87+n)-(303)=0
We add all the numbers together, and all the variables
(n+87)+163-303=0
We add all the numbers together, and all the variables
(n+87)-140=0
We get rid of parentheses
n+87-140=0
We add all the numbers together, and all the variables
n-53=0
We move all terms containing n to the left, all other terms to the right
n=53
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