336=-6(-7x-21)

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Solution for 336=-6(-7x-21) equation: 



336=-6(-7x-21)

We move all terms to the left:

336-(-6(-7x-21))=0



We calculate terms in parentheses: -(-6(-7x-21)), so:

-6(-7x-21)

We multiply parentheses

42x+126

Back to the equation:

-(42x+126)



We get rid of parentheses

-42x-126+336=0

We add all the numbers together, and all the variables

-42x+210=0

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

-42x=-210

x=-210/-42

x=+5

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