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

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



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

We move all terms to the left:

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



We calculate terms in parentheses: -(-7x+7(3x-3)), so:

-7x+7(3x-3)

We multiply parentheses

-7x+21x-21

We add all the numbers together, and all the variables

14x-21

Back to the equation:

-(14x-21)



We get rid of parentheses

-14x+21+105=0

We add all the numbers together, and all the variables

-14x+126=0

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

-14x=-126

x=-126/-14

x=+9

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