9-3r=2h

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Solution for 9-3r=2h equation: 


Simplifying
9 + -3r = 2h

Solving
9 + -3r = 2h

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + -3r = -9 + 2h

Combine like terms: 9 + -9 = 0
0 + -3r = -9 + 2h
-3r = -9 + 2h

Divide each side by '-3'.
r = 3 + -0.6666666667h

Simplifying
r = 3 + -0.6666666667h

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