9(2+r)=-99

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Solution for 9(2+r)=-99 equation:


9(2+r)=-99

We simplify the equation to the form, which is simple to understand 
9(2+r)=-99

Reorder the terms in parentheses
+(+18+9r)=-99

Remove unnecessary parentheses
+18+9r=-99

We move all terms containing r to the left and all other terms to the right. 
+9r=-99-18

We simplify left and right side of the equation. 
+9r=-117

We divide both sides of the equation by 9 to get r. 
r=-13

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