2r-6r+9+r=

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Solution for 2r-6r+9+r= equation:


Simplifying
2r + -6r + 9 + r = 0

Reorder the terms:
9 + 2r + -6r + r = 0

Combine like terms: 2r + -6r = -4r
9 + -4r + r = 0

Combine like terms: -4r + r = -3r
9 + -3r = 0

Solving
9 + -3r = 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 + -3r = 0 + -9

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

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

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

Simplifying
r = 3

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