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3-n=4n+13
We move all terms to the left:
3-n-(4n+13)=0
We add all the numbers together, and all the variables
-1n-(4n+13)+3=0
We get rid of parentheses
-1n-4n-13+3=0
We add all the numbers together, and all the variables
-5n-10=0
We move all terms containing n to the left, all other terms to the right
-5n=10
n=10/-5
n=-2
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