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

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



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

We move all terms to the left:

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



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

-7(5x+4)

We multiply parentheses

-35x-28

Back to the equation:

-(-35x-28)



We get rid of parentheses

-7x+35x+28+28=0

We add all the numbers together, and all the variables

28x+56=0

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

28x=-56

x=-56/28

x=-2

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