9r-3r=63

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Solution for 9r-3r=63 equation: 


Simplifying
9r + -3r = 63

Combine like terms: 9r + -3r = 6r
6r = 63

Solving
6r = 63

Solving for variable 'r'.

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

Divide each side by '6'.
r = 10.5

Simplifying
r = 10.5

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