8-9r=-19

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Solution for 8-9r=-19 equation: 


Simplifying
8 + -9r = -19

Solving
8 + -9r = -19

Solving for variable 'r'.

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

Add '-8' to each side of the equation.
8 + -8 + -9r = -19 + -8

Combine like terms: 8 + -8 = 0
0 + -9r = -19 + -8
-9r = -19 + -8

Combine like terms: -19 + -8 = -27
-9r = -27

Divide each side by '-9'.
r = 3

Simplifying
r = 3

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