9-2r=13r

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Solution for 9-2r=13r equation:


Simplifying
9 + -2r = 13r

Solving
9 + -2r = 13r

Solving for variable 'r'.

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

Add '-13r' to each side of the equation.
9 + -2r + -13r = 13r + -13r

Combine like terms: -2r + -13r = -15r
9 + -15r = 13r + -13r

Combine like terms: 13r + -13r = 0
9 + -15r = 0

Add '-9' to each side of the equation.
9 + -9 + -15r = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -15r = 0 + -9
-15r = 0 + -9

Combine like terms: 0 + -9 = -9
-15r = -9

Divide each side by '-15'.
r = 0.6

Simplifying
r = 0.6

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