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36/9=n/12
We move all terms to the left:
36/9-(n/12)=0
We add all the numbers together, and all the variables
-(+n/12)+36/9=0
We add all the numbers together, and all the variables
-(+n/12)+4=0
We get rid of parentheses
-n/12+4=0
We multiply all the terms by the denominator
-n+4*12=0
We add all the numbers together, and all the variables
-1n+48=0
We move all terms containing n to the left, all other terms to the right
-n=-48
n=-48/-1
n=+48
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