-7x+28=7(3x+8)

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Solution for -7x+28=7(3x+8) equation: 



-7x+28=7(3x+8)

We move all terms to the left:

-7x+28-(7(3x+8))=0



We calculate terms in parentheses: -(7(3x+8)), so:

7(3x+8)

We multiply parentheses

21x+56

Back to the equation:

-(21x+56)



We get rid of parentheses

-7x-21x-56+28=0

We add all the numbers together, and all the variables

-28x-28=0

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

-28x=28

x=28/-28

x=-1

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