11r=40-9r

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Solution for 11r=40-9r equation: 


Simplifying
11r = 40 + -9r

Solving
11r = 40 + -9r

Solving for variable 'r'.

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

Add '9r' to each side of the equation.
11r + 9r = 40 + -9r + 9r

Combine like terms: 11r + 9r = 20r
20r = 40 + -9r + 9r

Combine like terms: -9r + 9r = 0
20r = 40 + 0
20r = 40

Divide each side by '20'.
r = 2

Simplifying
r = 2

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