13r+7r=20

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Solution for 13r+7r=20 equation:


13r+7r=20

We simplify the equation to the form, which is simple to understand 
13r+7r=20

We move all terms containing r to the left and all other terms to the right. 
+13r+7r=+20

We simplify left and right side of the equation. 
+20r=+20

We divide both sides of the equation by 20 to get r. 
r=1

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