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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



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

-3(4x-3)

We multiply parentheses

-12x+9

Back to the equation:

-(-12x+9)



We add all the numbers together, and all the variables

-7x-(-12x+9)-6=0

We get rid of parentheses

-7x+12x-9-6=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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