223=-2x+7(-5x-21)

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Solution for 223=-2x+7(-5x-21) equation: 



223=-2x+7(-5x-21)

We move all terms to the left:

223-(-2x+7(-5x-21))=0



We calculate terms in parentheses: -(-2x+7(-5x-21)), so:

-2x+7(-5x-21)

We multiply parentheses

-2x-35x-147

We add all the numbers together, and all the variables

-37x-147

Back to the equation:

-(-37x-147)



We get rid of parentheses

37x+147+223=0

We add all the numbers together, and all the variables

37x+370=0

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

37x=-370

x=-370/37

x=-10

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