r+11r+8r=40

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Solution for r+11r+8r=40 equation: 


Simplifying
r + 11r + 8r = 40

Combine like terms: r + 11r = 12r
12r + 8r = 40

Combine like terms: 12r + 8r = 20r
20r = 40

Solving
20r = 40

Solving for variable 'r'.

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

Divide each side by '20'.
r = 2

Simplifying
r = 2

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