2r-5r+9+r=

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Solution for 2r-5r+9+r= equation:


Simplifying
2r + -5r + 9 + r = 0

Reorder the terms:
9 + 2r + -5r + r = 0

Combine like terms: 2r + -5r = -3r
9 + -3r + r = 0

Combine like terms: -3r + r = -2r
9 + -2r = 0

Solving
9 + -2r = 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 + -2r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -2r = 0 + -9
-2r = 0 + -9

Combine like terms: 0 + -9 = -9
-2r = -9

Divide each side by '-2'.
r = 4.5

Simplifying
r = 4.5

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