4K+36k+81=0

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Solution for 4K+36k+81=0 equation: 


Simplifying
4K + 36k + 81 = 0

Reorder the terms:
81 + 4K + 36k = 0

Solving
81 + 4K + 36k = 0

Solving for variable 'K'.

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

Add '-81' to each side of the equation.
81 + 4K + -81 + 36k = 0 + -81

Reorder the terms:
81 + -81 + 4K + 36k = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 4K + 36k = 0 + -81
4K + 36k = 0 + -81

Combine like terms: 0 + -81 = -81
4K + 36k = -81

Add '-36k' to each side of the equation.
4K + 36k + -36k = -81 + -36k

Combine like terms: 36k + -36k = 0
4K + 0 = -81 + -36k
4K = -81 + -36k

Divide each side by '4'.
K = -20.25 + -9k

Simplifying
K = -20.25 + -9k

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