2r-9r=0

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Solution for 2r-9r=0 equation: 


Simplifying
2r + -9r = 0

Combine like terms: 2r + -9r = -7r
-7r = 0

Solving
-7r = 0

Solving for variable 'r'.

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

Divide each side by '-7'.
r = 0

Simplifying
r = 0

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