84=7+7(x+5)

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Solution for 84=7+7(x+5) equation: 



84=7+7(x+5)

We move all terms to the left:

84-(7+7(x+5))=0



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

7+7(x+5)

determiningTheFunctionDomain
7(x+5)+7

We multiply parentheses

7x+35+7

We add all the numbers together, and all the variables

7x+42

Back to the equation:

-(7x+42)



We get rid of parentheses

-7x-42+84=0

We add all the numbers together, and all the variables

-7x+42=0

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

-7x=-42

x=-42/-7

x=+6

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