13=1/7r

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Solution for 13=1/7r equation: 



13=1/7r

We move all terms to the left:

13-(1/7r)=0



Domain of the equation: 7r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+1/7r)+13=0

We get rid of parentheses

-1/7r+13=0

We multiply all the terms by the denominator


13*7r-1=0

Wy multiply elements

91r-1=0

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

91r=1

r=1/91

r=1/91

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