9=2K+20

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Solution for 9=2K+20 equation:


Simplifying
9 = 2K + 20

Reorder the terms:
9 = 20 + 2K

Solving
9 = 20 + 2K

Solving for variable 'K'.

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

Add '-2K' to each side of the equation.
9 + -2K = 20 + 2K + -2K

Combine like terms: 2K + -2K = 0
9 + -2K = 20 + 0
9 + -2K = 20

Add '-9' to each side of the equation.
9 + -9 + -2K = 20 + -9

Combine like terms: 9 + -9 = 0
0 + -2K = 20 + -9
-2K = 20 + -9

Combine like terms: 20 + -9 = 11
-2K = 11

Divide each side by '-2'.
K = -5.5

Simplifying
K = -5.5

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