2.5=15/r

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Solution for 2.5=15/r equation: 



2.5=15/r

We move all terms to the left:

2.5-(15/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

-(+15/r)+2.5=0

We get rid of parentheses

-15/r+2.5=0

We multiply all the terms by the denominator


(2.5)*r-15=0

We multiply parentheses

2.5r-15=0

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

2.5r=15

r=15/2.5

r=6

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