-28+7x=4(5x+7)+x

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Solution for -28+7x=4(5x+7)+x equation: 



-28+7x=4(5x+7)+x

We move all terms to the left:

-28+7x-(4(5x+7)+x)=0



We calculate terms in parentheses: -(4(5x+7)+x), so:

4(5x+7)+x

We add all the numbers together, and all the variables

x+4(5x+7)

We multiply parentheses

x+20x+28

We add all the numbers together, and all the variables

21x+28

Back to the equation:

-(21x+28)



We get rid of parentheses

7x-21x-28-28=0

We add all the numbers together, and all the variables

-14x-56=0

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

-14x=56

x=56/-14

x=-4

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