3r=18-9

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Solution for 3r=18-9 equation: 


Simplifying
3r = 18 + -9

Combine like terms: 18 + -9 = 9
3r = 9

Solving
3r = 9

Solving for variable 'r'.

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

Divide each side by '3'.
r = 3

Simplifying
r = 3

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