7=2r

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Solution for 7=2r equation:


7=2r

We simplify the equation to the form, which is simple to understand 
7=2r

We move all terms containing r to the left and all other terms to the right. 
-2r=-7

We simplify left and right side of the equation. 
-2r=-7

We divide both sides of the equation by -02 to get r. 
r=3.5

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