10/7r-9=3/7r

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Solution for 10/7r-9=3/7r equation: 



10/7r-9=3/7r

We move all terms to the left:

10/7r-9-(3/7r)=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

10/7r-(+3/7r)-9=0

We get rid of parentheses

10/7r-3/7r-9=0

We multiply all the terms by the denominator


-9*7r+10-3=0

We add all the numbers together, and all the variables

-9*7r+7=0

Wy multiply elements

-63r+7=0

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

-63r=-7

r=-7/-63

r=1/9

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