8/r=86

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Solution for 8/r=86 equation: 



8/r=86

We move all terms to the left:

8/r-(86)=0



Domain of the equation: r!=0

r∈R



We multiply all the terms by the denominator


-86*r+8=0

We add all the numbers together, and all the variables

-86r+8=0

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

-86r=-8

r=-8/-86

r=4/43

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