3(2r-7)=9

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Solution for 3(2r-7)=9 equation: 



3(2r-7)=9

We move all terms to the left:

3(2r-7)-(9)=0

We multiply parentheses

6r-21-9=0

We add all the numbers together, and all the variables

6r-30=0

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

6r=30

r=30/6

r=5

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