9=n(-3)

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Solution for 9=n(-3) equation: 



9=n(-3)

We move all terms to the left:

9-(n(-3))=0



We calculate terms in parentheses: -(n(-3)), so:

n(-3)

We multiply parentheses

-3n

Back to the equation:

-(-3n)



We get rid of parentheses

3n+9=0

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

3n=-9

n=-9/3

n=-3

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