9-7n+2n=21-92

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Solution for 9-7n+2n=21-92 equation: 



9-7n+2n=21-92

We move all terms to the left:

9-7n+2n-(21-92)=0

We add all the numbers together, and all the variables

-7n+2n+9-(-71)=0

We add all the numbers together, and all the variables

-5n+80=0

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

-5n=-80

n=-80/-5

n=+16

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