8=5/r

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Solution for 8=5/r equation: 



8=5/r

We move all terms to the left:

8-(5/r)=0



Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+5/r)+8=0

We get rid of parentheses

-5/r+8=0

We multiply all the terms by the denominator


8*r-5=0

We add all the numbers together, and all the variables

8r-5=0

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

8r=5

r=5/8

r=5/8

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