117=-9r+9

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Solution for 117=-9r+9 equation:


117=-9r+9

We simplify the equation to the form, which is simple to understand 
117=-9r+9

We move all terms containing r to the left and all other terms to the right. 
+9r=+9-117

We simplify left and right side of the equation. 
+9r=-108

We divide both sides of the equation by 09 to get r. 
r=-12

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