11r=9+12r

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Solution for 11r=9+12r equation:


11r=9+12r

We simplify the equation to the form, which is simple to understand 
11r=9+12r

We move all terms containing r to the left and all other terms to the right. 
+11r-12r=+9

We simplify left and right side of the equation. 
-1r=+9

We divide both sides of the equation by -1 to get r. 
r=-9

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