-3=-3x-7(-2x-9)

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Solution for -3=-3x-7(-2x-9) equation: 



-3=-3x-7(-2x-9)

We move all terms to the left:

-3-(-3x-7(-2x-9))=0



We calculate terms in parentheses: -(-3x-7(-2x-9)), so:

-3x-7(-2x-9)

We multiply parentheses

-3x+14x+63

We add all the numbers together, and all the variables

11x+63

Back to the equation:

-(11x+63)



We get rid of parentheses

-11x-63-3=0

We add all the numbers together, and all the variables

-11x-66=0

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

-11x=66

x=66/-11

x=-6

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