7r-15=2r

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Solution for 7r-15=2r equation:


7r-15=2r

We simplify the equation to the form, which is simple to understand 
7r-15=2r

We move all terms containing r to the left and all other terms to the right. 
+7r-2r=+15

We simplify left and right side of the equation. 
+5r=+15

We divide both sides of the equation by 5 to get r. 
r=3

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