-357=-7(4x+3)

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Solution for -357=-7(4x+3) equation: 



-357=-7(4x+3)

We move all terms to the left:

-357-(-7(4x+3))=0



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

-7(4x+3)

We multiply parentheses

-28x-21

Back to the equation:

-(-28x-21)



We get rid of parentheses

28x+21-357=0

We add all the numbers together, and all the variables

28x-336=0

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

28x=336

x=336/28

x=12

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