5r-7=7r+14

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Solution for 5r-7=7r+14 equation: 



5r-7=7r+14

We move all terms to the left:

5r-7-(7r+14)=0

We get rid of parentheses

5r-7r-14-7=0

We add all the numbers together, and all the variables

-2r-21=0

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

-2r=21

r=21/-2

r=-10+1/2

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