6r-15r-99=0

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Solution for 6r-15r-99=0 equation:


6r-15r-99=0

We simplify the equation to the form, which is simple to understand 
6r-15r-99=0

We move all terms containing r to the left and all other terms to the right. 
+6r-15r=0+99

We simplify left and right side of the equation. 
-9r=+99

We divide both sides of the equation by -9 to get r. 
r=-11

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