-28=-7(3x+4)+30x

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Solution for -28=-7(3x+4)+30x equation: 



-28=-7(3x+4)+30x

We move all terms to the left:

-28-(-7(3x+4)+30x)=0



We calculate terms in parentheses: -(-7(3x+4)+30x), so:

-7(3x+4)+30x

We add all the numbers together, and all the variables

30x-7(3x+4)

We multiply parentheses

30x-21x-28

We add all the numbers together, and all the variables

9x-28

Back to the equation:

-(9x-28)



We get rid of parentheses

-9x+28-28=0

We add all the numbers together, and all the variables

-9x=0

x=0/-9

x=0

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