26-4r=9r

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Solution for 26-4r=9r equation:


Simplifying
26 + -4r = 9r

Solving
26 + -4r = 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
26 + -4r + -9r = 9r + -9r

Combine like terms: -4r + -9r = -13r
26 + -13r = 9r + -9r

Combine like terms: 9r + -9r = 0
26 + -13r = 0

Add '-26' to each side of the equation.
26 + -26 + -13r = 0 + -26

Combine like terms: 26 + -26 = 0
0 + -13r = 0 + -26
-13r = 0 + -26

Combine like terms: 0 + -26 = -26
-13r = -26

Divide each side by '-13'.
r = 2

Simplifying
r = 2

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