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3n/4+n=84
We move all terms to the left:
3n/4+n-(84)=0
We add all the numbers together, and all the variables
n+3n/4-84=0
We multiply all the terms by the denominator
n*4+3n-84*4=0
We add all the numbers together, and all the variables
3n+n*4-336=0
Wy multiply elements
3n+4n-336=0
We add all the numbers together, and all the variables
7n-336=0
We move all terms containing n to the left, all other terms to the right
7n=336
n=336/7
n=48
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