7r=8-(2r-17)

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Solution for 7r=8-(2r-17) equation: 



7r=8-(2r-17)

We move all terms to the left:

7r-(8-(2r-17))=0



We calculate terms in parentheses: -(8-(2r-17)), so:

8-(2r-17)

determiningTheFunctionDomain
-(2r-17)+8

We get rid of parentheses

-2r+17+8

We add all the numbers together, and all the variables

-2r+25

Back to the equation:

-(-2r+25)



We get rid of parentheses

7r+2r-25=0

We add all the numbers together, and all the variables

9r-25=0

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

9r=25

r=25/9

r=2+7/9

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