21=K+23

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Solution for 21=K+23 equation:


Simplifying
21 = K + 23

Reorder the terms:
21 = 23 + K

Solving
21 = 23 + K

Solving for variable 'K'.

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

Add '-1K' to each side of the equation.
21 + -1K = 23 + K + -1K

Combine like terms: K + -1K = 0
21 + -1K = 23 + 0
21 + -1K = 23

Add '-21' to each side of the equation.
21 + -21 + -1K = 23 + -21

Combine like terms: 21 + -21 = 0
0 + -1K = 23 + -21
-1K = 23 + -21

Combine like terms: 23 + -21 = 2
-1K = 2

Divide each side by '-1'.
K = -2

Simplifying
K = -2

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