-173=-3x-7(4x+7)

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Solution for -173=-3x-7(4x+7) equation: 



-173=-3x-7(4x+7)

We move all terms to the left:

-173-(-3x-7(4x+7))=0



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

-3x-7(4x+7)

We multiply parentheses

-3x-28x-49

We add all the numbers together, and all the variables

-31x-49

Back to the equation:

-(-31x-49)



We get rid of parentheses

31x+49-173=0

We add all the numbers together, and all the variables

31x-124=0

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

31x=124

x=124/31

x=4

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