3+5r=9-8r+7r

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Solution for 3+5r=9-8r+7r equation: 



3+5r=9-8r+7r

We move all terms to the left:

3+5r-(9-8r+7r)=0

We add all the numbers together, and all the variables

5r-(-1r+9)+3=0

We get rid of parentheses

5r+1r-9+3=0

We add all the numbers together, and all the variables

6r-6=0

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

6r=6

r=6/6

r=1

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