-156=-3(7x-4)

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Solution for -156=-3(7x-4) equation: 



-156=-3(7x-4)

We move all terms to the left:

-156-(-3(7x-4))=0



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

-3(7x-4)

We multiply parentheses

-21x+12

Back to the equation:

-(-21x+12)



We get rid of parentheses

21x-12-156=0

We add all the numbers together, and all the variables

21x-168=0

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

21x=168

x=168/21

x=8

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