3r+7=5r

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Solution for 3r+7=5r equation: 



3r+7=5r

We move all terms to the left:

3r+7-(5r)=0

We add all the numbers together, and all the variables

-2r+7=0

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

-2r=-7

r=-7/-2

r=3+1/2

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