3x-7(3x-3)=-105

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Solution for 3x-7(3x-3)=-105 equation: 



3x-7(3x-3)=-105

We move all terms to the left:

3x-7(3x-3)-(-105)=0

We add all the numbers together, and all the variables

3x-7(3x-3)+105=0

We multiply parentheses

3x-21x+21+105=0

We add all the numbers together, and all the variables

-18x+126=0

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

-18x=-126

x=-126/-18

x=+7

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