3r-15=9r+66

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Solution for 3r-15=9r+66 equation:


3r-15=9r+66

We simplify the equation to the form, which is simple to understand 
3r-15=9r+66

We move all terms containing r to the left and all other terms to the right. 
+3r-9r=+66+15

We simplify left and right side of the equation. 
-6r=+81

We divide both sides of the equation by -6 to get r. 
r=-13.5

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