9-9r=-8

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Solution for 9-9r=-8 equation: 


Simplifying
9 + -9r = -8

Solving
9 + -9r = -8

Solving for variable 'r'.

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

Add '-9' to each side of the equation.
9 + -9 + -9r = -8 + -9

Combine like terms: 9 + -9 = 0
0 + -9r = -8 + -9
-9r = -8 + -9

Combine like terms: -8 + -9 = -17
-9r = -17

Divide each side by '-9'.
r = 1.888888889

Simplifying
r = 1.888888889

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