-28=-7(3x-4)-21-37

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Solution for -28=-7(3x-4)-21-37 equation: 



-28=-7(3x-4)-21-37

We move all terms to the left:

-28-(-7(3x-4)-21-37)=0



We calculate terms in parentheses: -(-7(3x-4)-21-37), so:

-7(3x-4)-21-37

We add all the numbers together, and all the variables

-7(3x-4)-58

We multiply parentheses

-21x+28-58

We add all the numbers together, and all the variables

-21x-30

Back to the equation:

-(-21x-30)



We get rid of parentheses

21x+30-28=0

We add all the numbers together, and all the variables

21x+2=0

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

21x=-2

x=-2/21

x=-2/21

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