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