3(r-3)=r+1

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Solution for 3(r-3)=r+1 equation: 



3(r-3)=r+1

We move all terms to the left:

3(r-3)-(r+1)=0

We multiply parentheses

3r-(r+1)-9=0

We get rid of parentheses

3r-r-1-9=0

We add all the numbers together, and all the variables

2r-10=0

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

2r=10

r=10/2

r=5

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