4r+4r=72

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Solution for 4r+4r=72 equation: 


Simplifying
4r + 4r = 72

Combine like terms: 4r + 4r = 8r
8r = 72

Solving
8r = 72

Solving for variable 'r'.

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

Divide each side by '8'.
r = 9

Simplifying
r = 9

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