8.1156-0.1r=6.6(r+7.016)

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Solution for 8.1156-0.1r=6.6(r+7.016) equation: 



8.1156-0.1r=6.6(r+7.016)

We move all terms to the left:

8.1156-0.1r-(6.6(r+7.016))=0



We calculate terms in parentheses: -(6.6(r+7.016)), so:

6.6(r+7.016)

We multiply parentheses

6.6r+46.3056

Back to the equation:

-(6.6r+46.3056)



We get rid of parentheses

-0.1r-6.6r-46.3056+8.1156=0

We add all the numbers together, and all the variables

-6.7r-38.19=0

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

-6.7r=38.19

r=38.19/-6.7

r=-5+1.74349442379/2.4907063197

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