7=3r-14

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Solution for 7=3r-14 equation: 



7=3r-14

We move all terms to the left:

7-(3r-14)=0

We get rid of parentheses

-3r+14+7=0

We add all the numbers together, and all the variables

-3r+21=0

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

-3r=-21

r=-21/-3

r=+7

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