7r-5+6r=21

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Solution for 7r-5+6r=21 equation:


7r-5+6r=21

We simplify the equation to the form, which is simple to understand 
7r-5+6r=21

We move all terms containing r to the left and all other terms to the right. 
+7r+6r=+21+5

We simplify left and right side of the equation. 
+13r=+26

We divide both sides of the equation by 13 to get r. 
r=2

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