5r+7=3r-7

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Solution for 5r+7=3r-7 equation: 



5r+7=3r-7

We move all terms to the left:

5r+7-(3r-7)=0

We get rid of parentheses

5r-3r+7+7=0

We add all the numbers together, and all the variables

2r+14=0

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

2r=-14

r=-14/2

r=-7

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