8r+19r=81

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Solution for 8r+19r=81 equation: 


Simplifying
8r + 19r = 81

Combine like terms: 8r + 19r = 27r
27r = 81

Solving
27r = 81

Solving for variable 'r'.

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

Divide each side by '27'.
r = 3

Simplifying
r = 3

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