r.1/8r=9

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Solution for r.1/8r=9 equation: 



r.1/8r=9

We move all terms to the left:

r.1/8r-(9)=0



Domain of the equation: 8r!=0

r!=0/8

r!=0

r∈R



We multiply all the terms by the denominator


r.1-9*8r=0

Wy multiply elements

r.1-72r=0

We add all the numbers together, and all the variables

-72r+r.1=0

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