-8=r/20-5

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Solution for -8=r/20-5 equation: 



-8=r/20-5

We move all terms to the left:

-8-(r/20-5)=0

We get rid of parentheses

-r/20+5-8=0

We multiply all the terms by the denominator


-r+5*20-8*20=0

We add all the numbers together, and all the variables

-1r-60=0

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

-r=60

r=60/-1

r=-60

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