9+5r+-9r=

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Solution for 9+5r+-9r= equation: 


Simplifying
9 + 5r + -9r = 0

Combine like terms: 5r + -9r = -4r
9 + -4r = 0

Solving
9 + -4r = 0

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 + -4r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -4r = 0 + -9
-4r = 0 + -9

Combine like terms: 0 + -9 = -9
-4r = -9

Divide each side by '-4'.
r = 2.25

Simplifying
r = 2.25

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