7(r-2)=2r+31

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Solution for 7(r-2)=2r+31 equation: 



7(r-2)=2r+31

We move all terms to the left:

7(r-2)-(2r+31)=0

We multiply parentheses

7r-(2r+31)-14=0

We get rid of parentheses

7r-2r-31-14=0

We add all the numbers together, and all the variables

5r-45=0

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

5r=45

r=45/5

r=9

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