15=-1K+18

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Solution for 15=-1K+18 equation:


Simplifying
15 = -1K + 18

Reorder the terms:
15 = 18 + -1K

Solving
15 = 18 + -1K

Solving for variable 'K'.

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

Add 'K' to each side of the equation.
15 + K = 18 + -1K + K

Combine like terms: -1K + K = 0
15 + K = 18 + 0
15 + K = 18

Add '-15' to each side of the equation.
15 + -15 + K = 18 + -15

Combine like terms: 15 + -15 = 0
0 + K = 18 + -15
K = 18 + -15

Combine like terms: 18 + -15 = 3
K = 3

Simplifying
K = 3

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