2r+7-9=3

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Solution for 2r+7-9=3 equation: 



2r+7-9=3

We move all terms to the left:

2r+7-9-(3)=0

We add all the numbers together, and all the variables

2r-5=0

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

2r=5

r=5/2

r=2+1/2

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