21r+3r=

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Solution for 21r+3r= equation: 


Simplifying
21r + 3r = 0

Combine like terms: 21r + 3r = 24r
24r = 0

Solving
24r = 0

Solving for variable 'r'.

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

Divide each side by '24'.
r = 0

Simplifying
r = 0

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