-28=+7(x-7)

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



-28=+7(x-7)

We move all terms to the left:

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



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

+7(x-7)

determiningTheFunctionDomain
7(x-7)

We multiply parentheses

7x-49

Back to the equation:

-(7x-49)



We get rid of parentheses

-7x+49-28=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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