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(n+8)+(n+12)=62n
We move all terms to the left:
(n+8)+(n+12)-(62n)=0
We add all the numbers together, and all the variables
-62n+(n+8)+(n+12)=0
We get rid of parentheses
-62n+n+n+8+12=0
We add all the numbers together, and all the variables
-60n+20=0
We move all terms containing n to the left, all other terms to the right
-60n=-20
n=-20/-60
n=1/3
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