3/10(r)=9

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Solution for 3/10(r)=9 equation: 



3/10(r)=9

We move all terms to the left:

3/10(r)-(9)=0



Domain of the equation: 10r!=0

r!=0/10

r!=0

r∈R



We multiply all the terms by the denominator


-9*10r+3=0

Wy multiply elements

-90r+3=0

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

-90r=-3

r=-3/-90

r=1/30

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