17=7r+3-5r

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Solution for 17=7r+3-5r equation: 



17=7r+3-5r

We move all terms to the left:

17-(7r+3-5r)=0

We add all the numbers together, and all the variables

-(2r+3)+17=0

We get rid of parentheses

-2r-3+17=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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