20-5K-2K=

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Solution for 20-5K-2K= equation: 


Simplifying
20 + -5K + -2K = 0

Combine like terms: -5K + -2K = -7K
20 + -7K = 0

Solving
20 + -7K = 0

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 + -7K = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -7K = 0 + -20
-7K = 0 + -20

Combine like terms: 0 + -20 = -20
-7K = -20

Divide each side by '-7'.
K = 2.857142857

Simplifying
K = 2.857142857

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