3/7r=18

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Solution for 3/7r=18 equation: 



3/7r=18

We move all terms to the left:

3/7r-(18)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R



We multiply all the terms by the denominator


-18*7r+3=0

Wy multiply elements

-126r+3=0

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

-126r=-3

r=-3/-126

r=1/42

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