(9r+7)-(3-7r)+(2r-9)=

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Solution for (9r+7)-(3-7r)+(2r-9)= equation:


(9r+7)-(3-7r)+(2r-9)=0

We simplify the equation to the form, which is simple to understand 
(9r+7)-(3-7r)+(2r-9)=0

Remove unnecessary parentheses
9r+7-(3-7r)+(2r-9)=0

Remove unnecessary parentheses
9r+7-3+7r+(2r-9)=0

Remove unnecessary parentheses
+9r+7-3+7r+2r-9=0

We move all terms containing r to the left and all other terms to the right. 
+9r+7r+2r=0-7+3+9

We simplify left and right side of the equation. 
+18r=+5

We divide both sides of the equation by 18 to get r. 
r=0.277777777778

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