r-20/7=9

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Solution for r-20/7=9 equation: 



r-20/7=9

We move all terms to the left:

r-20/7-(9)=0

determiningTheFunctionDomain
r-9-20/7=0

We multiply all the terms by the denominator


r*7-20-9*7=0

We add all the numbers together, and all the variables

r*7-83=0

Wy multiply elements

7r-83=0

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

7r=83

r=83/7

r=11+6/7

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