5-4r=9+2r

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Solution for 5-4r=9+2r equation:


Simplifying
5 + -4r = 9 + 2r

Solving
5 + -4r = 9 + 2r

Solving for variable 'r'.

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

Add '-2r' to each side of the equation.
5 + -4r + -2r = 9 + 2r + -2r

Combine like terms: -4r + -2r = -6r
5 + -6r = 9 + 2r + -2r

Combine like terms: 2r + -2r = 0
5 + -6r = 9 + 0
5 + -6r = 9

Add '-5' to each side of the equation.
5 + -5 + -6r = 9 + -5

Combine like terms: 5 + -5 = 0
0 + -6r = 9 + -5
-6r = 9 + -5

Combine like terms: 9 + -5 = 4
-6r = 4

Divide each side by '-6'.
r = -0.6666666667

Simplifying
r = -0.6666666667

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