9r+7-3r=37

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Solution for 9r+7-3r=37 equation: 



9r+7-3r=37

We move all terms to the left:

9r+7-3r-(37)=0

We add all the numbers together, and all the variables

6r-30=0

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

6r=30

r=30/6

r=5

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