6r+5-7r=21

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


6r+5-7r=21

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

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

We simplify left and right side of the equation. 
-1r=+16

We divide both sides of the equation by -1 to get r. 
r=-16

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