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n-21/2=41/2
We move all terms to the left:
n-21/2-(41/2)=0
We add all the numbers together, and all the variables
n-21/2-(+41/2)=0
We get rid of parentheses
n-21/2-41/2=0
We multiply all the terms by the denominator
n*2-21-41=0
We add all the numbers together, and all the variables
n*2-62=0
Wy multiply elements
2n-62=0
We move all terms containing n to the left, all other terms to the right
2n=62
n=62/2
n=31
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