12=x(-9)

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Solution for 12=x(-9) equation: 



12=x(-9)

We move all terms to the left:

12-(x(-9))=0



We calculate terms in parentheses: -(x(-9)), so:

x(-9)

We multiply parentheses

-9x

Back to the equation:

-(-9x)



We get rid of parentheses

9x+12=0

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

9x=-12

x=-12/9

x=-1+1/3

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