8r-28=6+7(r-4)

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Solution for 8r-28=6+7(r-4) equation: 



8r-28=6+7(r-4)

We move all terms to the left:

8r-28-(6+7(r-4))=0



We calculate terms in parentheses: -(6+7(r-4)), so:

6+7(r-4)

determiningTheFunctionDomain
7(r-4)+6

We multiply parentheses

7r-28+6

We add all the numbers together, and all the variables

7r-22

Back to the equation:

-(7r-22)



We get rid of parentheses

8r-7r+22-28=0

We add all the numbers together, and all the variables

r-6=0

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

r=6

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