27=r/9+21

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Solution for 27=r/9+21 equation:


27 = r / 9 + 21

We simplify the equation to the form, which is simple to understand 
27=r/9+21

Simplifying:
27=0.111111111111r+21

We move all terms containing r to the left and all other terms to the right. 
-0.111111111111r=+21-27

We simplify left and right side of the equation. 
-0.111111111111r=-6

We divide both sides of the equation by -00.111111111111 to get r. 
r=54.0000000001

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