9+7r=13

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Solution for 9+7r=13 equation:


9+7r=13

We simplify the equation to the form, which is simple to understand 
9+7r=13

We move all terms containing r to the left and all other terms to the right. 
+7r=+13-9

We simplify left and right side of the equation. 
+7r=+4

We divide both sides of the equation by 7 to get r. 
r=0.571428571429

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