-0.5r=-9

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Solution for -0.5r=-9 equation: 


Simplifying
-0.5r = -9

Solving
-0.5r = -9

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Divide each side by '-0.5'.
r = 18

Simplifying
r = 18

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