-3x+7=-7x+3(-3+4x)

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Solution for -3x+7=-7x+3(-3+4x) equation: 



-3x+7=-7x+3(-3+4x)

We move all terms to the left:

-3x+7-(-7x+3(-3+4x))=0

We add all the numbers together, and all the variables

-3x-(-7x+3(4x-3))+7=0



We calculate terms in parentheses: -(-7x+3(4x-3)), so:

-7x+3(4x-3)

We multiply parentheses

-7x+12x-9

We add all the numbers together, and all the variables

5x-9

Back to the equation:

-(5x-9)



We get rid of parentheses

-3x-5x+9+7=0

We add all the numbers together, and all the variables

-8x+16=0

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

-8x=-16

x=-16/-8

x=+2

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