98=7+7(r+5)

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Solution for 98=7+7(r+5) equation: 



98=7+7(r+5)

We move all terms to the left:

98-(7+7(r+5))=0



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

7+7(r+5)

determiningTheFunctionDomain
7(r+5)+7

We multiply parentheses

7r+35+7

We add all the numbers together, and all the variables

7r+42

Back to the equation:

-(7r+42)



We get rid of parentheses

-7r-42+98=0

We add all the numbers together, and all the variables

-7r+56=0

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

-7r=-56

r=-56/-7

r=+8

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