81=-3k

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Solution for 81=-3k equation:


Simplifying
81 = -3k

Solving
81 = -3k

Solving for variable 'k'.

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

Add '3k' to each side of the equation.
81 + 3k = -3k + 3k

Combine like terms: -3k + 3k = 0
81 + 3k = 0

Add '-81' to each side of the equation.
81 + -81 + 3k = 0 + -81

Combine like terms: 81 + -81 = 0
0 + 3k = 0 + -81
3k = 0 + -81

Combine like terms: 0 + -81 = -81
3k = -81

Divide each side by '3'.
k = -27

Simplifying
k = -27

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