81=-3(5k-2)

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Solution for 81=-3(5k-2) equation:


Simplifying
81 = -3(5k + -2)

Reorder the terms:
81 = -3(-2 + 5k)
81 = (-2 * -3 + 5k * -3)
81 = (6 + -15k)

Solving
81 = 6 + -15k

Solving for variable 'k'.

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

Add '15k' to each side of the equation.
81 + 15k = 6 + -15k + 15k

Combine like terms: -15k + 15k = 0
81 + 15k = 6 + 0
81 + 15k = 6

Add '-81' to each side of the equation.
81 + -81 + 15k = 6 + -81

Combine like terms: 81 + -81 = 0
0 + 15k = 6 + -81
15k = 6 + -81

Combine like terms: 6 + -81 = -75
15k = -75

Divide each side by '15'.
k = -5

Simplifying
k = -5

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