13k-12=9r

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Solution for 13k-12=9r equation: 


Simplifying
13k + -12 = 9r

Reorder the terms:
-12 + 13k = 9r

Solving
-12 + 13k = 9r

Solving for variable 'k'.

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

Add '12' to each side of the equation.
-12 + 12 + 13k = 12 + 9r

Combine like terms: -12 + 12 = 0
0 + 13k = 12 + 9r
13k = 12 + 9r

Divide each side by '13'.
k = 0.9230769231 + 0.6923076923r

Simplifying
k = 0.9230769231 + 0.6923076923r

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