3(-4x+9)=-57

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Solution for 3(-4x+9)=-57 equation: 



3(-4x+9)=-57

We move all terms to the left:

3(-4x+9)-(-57)=0

We add all the numbers together, and all the variables

3(-4x+9)+57=0

We multiply parentheses

-12x+27+57=0

We add all the numbers together, and all the variables

-12x+84=0

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

-12x=-84

x=-84/-12

x=+7

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