-3/7r=31/3*

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Solution for -3/7r=31/3* equation: 



-3/7r=31/3*

We move all terms to the left:

-3/7r-(31/3*)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R



We add all the numbers together, and all the variables

-3/7r-(+31/3*)=0

We get rid of parentheses

-3/7r-31/3*=0

We calculate fractions


()/21r^2+(-217r)/21r^2=0

We multiply all the terms by the denominator


(-217r)+()=0

We add all the numbers together, and all the variables

(-217r)=0

We get rid of parentheses

-217r=0

r=0/-217

r=0

Równanie nie ma rozwiązania

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