4/r-9=10/r

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Solution for 4/r-9=10/r equation: 



4/r-9=10/r

We move all terms to the left:

4/r-9-(10/r)=0



Domain of the equation: r!=0

r∈R





Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

4/r-(+10/r)-9=0

We get rid of parentheses

4/r-10/r-9=0

We multiply all the terms by the denominator


-9*r+4-10=0

We add all the numbers together, and all the variables

-9r-6=0

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

-9r=6

r=6/-9

r=-2/3

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