x(-3)=-45

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



x(-3)=-45

We move all terms to the left:

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

We add all the numbers together, and all the variables

x(-3)+45=0

We multiply parentheses

-3x+45=0

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

-3x=-45

x=-45/-3

x=+15

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