13-3n=4n-8

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Solution for 13-3n=4n-8 equation:



13-3n=4n-8
We move all terms to the left:
13-3n-(4n-8)=0
We get rid of parentheses
-3n-4n+8+13=0
We add all the numbers together, and all the variables
-7n+21=0
We move all terms containing n to the left, all other terms to the right
-7n=-21
n=-21/-7
n=+3

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