r+9r=-8

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Solution for r+9r=-8 equation: 


Simplifying
r + 9r = -8

Combine like terms: r + 9r = 10r
10r = -8

Solving
10r = -8

Solving for variable 'r'.

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

Divide each side by '10'.
r = -0.8

Simplifying
r = -0.8

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