45=-3(x-9)

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Solution for 45=-3(x-9) equation: 



45=-3(x-9)

We move all terms to the left:

45-(-3(x-9))=0



We calculate terms in parentheses: -(-3(x-9)), so:

-3(x-9)

We multiply parentheses

-3x+27

Back to the equation:

-(-3x+27)



We get rid of parentheses

3x-27+45=0

We add all the numbers together, and all the variables

3x+18=0

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

3x=-18

x=-18/3

x=-6

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