8r+r=40

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Solution for 8r+r=40 equation: 


Simplifying
8r + r = 40

Combine like terms: 8r + r = 9r
9r = 40

Solving
9r = 40

Solving for variable 'r'.

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

Divide each side by '9'.
r = 4.444444444

Simplifying
r = 4.444444444

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