K+20=9k-r

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Solution for K+20=9k-r equation: 


Simplifying
K + 20 = 9k + -1r

Reorder the terms:
20 + K = 9k + -1r

Solving
20 + K = 9k + -1r

Solving for variable 'K'.

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

Add '-20' to each side of the equation.
20 + -20 + K = 9k + -20 + -1r

Combine like terms: 20 + -20 = 0
0 + K = 9k + -20 + -1r
K = 9k + -20 + -1r

Reorder the terms:
K = -20 + 9k + -1r

Simplifying
K = -20 + 9k + -1r

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