3/5r=45

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Solution for 3/5r=45 equation: 



3/5r=45

We move all terms to the left:

3/5r-(45)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



We multiply all the terms by the denominator


-45*5r+3=0

Wy multiply elements

-225r+3=0

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

-225r=-3

r=-3/-225

r=1/75

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