12/7r-2=5/7r

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Solution for 12/7r-2=5/7r equation: 



12/7r-2=5/7r

We move all terms to the left:

12/7r-2-(5/7r)=0



Domain of the equation: 7r!=0

r!=0/7

r!=0

r∈R





Domain of the equation: 7r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

12/7r-(+5/7r)-2=0

We get rid of parentheses

12/7r-5/7r-2=0

We multiply all the terms by the denominator


-2*7r+12-5=0

We add all the numbers together, and all the variables

-2*7r+7=0

Wy multiply elements

-14r+7=0

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

-14r=-7

r=-7/-14

r=1/2

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