45/r-3=6

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Solution for 45/r-3=6 equation: 



45/r-3=6

We move all terms to the left:

45/r-3-(6)=0



Domain of the equation: r!=0

r∈R



We add all the numbers together, and all the variables

45/r-9=0

We multiply all the terms by the denominator


-9*r+45=0

We add all the numbers together, and all the variables

-9r+45=0

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

-9r=-45

r=-45/-9

r=+5

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