5-7n+3n=21-88

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Solution for 5-7n+3n=21-88 equation: 



5-7n+3n=21-88

We move all terms to the left:

5-7n+3n-(21-88)=0

We add all the numbers together, and all the variables

-7n+3n+5-(-67)=0

We add all the numbers together, and all the variables

-4n+72=0

We move all terms containing n to the left, all other terms to the right

-4n=-72

n=-72/-4

n=+18

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