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8+(3n/12)=13
We move all terms to the left:
8+(3n/12)-(13)=0
We add all the numbers together, and all the variables
(+3n/12)+8-13=0
We add all the numbers together, and all the variables
(+3n/12)-5=0
We get rid of parentheses
3n/12-5=0
We multiply all the terms by the denominator
3n-5*12=0
We add all the numbers together, and all the variables
3n-60=0
We move all terms containing n to the left, all other terms to the right
3n=60
n=60/3
n=20
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