9(-1)(n)=9(-3)

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Solution for 9(-1)(n)=9(-3) equation: 



9(-1)(n)=9(-3)

We move all terms to the left:

9(-1)(n)-(9(-3))=0

We add all the numbers together, and all the variables

9(-1)n+27=0

We multiply parentheses

-9n+27=0

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

-9n=-27

n=-27/-9

n=+3

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