-81=-3(4k-5)

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Solution for -81=-3(4k-5) equation:


Simplifying
-81 = -3(4k + -5)

Reorder the terms:
-81 = -3(-5 + 4k)
-81 = (-5 * -3 + 4k * -3)
-81 = (15 + -12k)

Solving
-81 = 15 + -12k

Solving for variable 'k'.

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

Add '12k' to each side of the equation.
-81 + 12k = 15 + -12k + 12k

Combine like terms: -12k + 12k = 0
-81 + 12k = 15 + 0
-81 + 12k = 15

Add '81' to each side of the equation.
-81 + 81 + 12k = 15 + 81

Combine like terms: -81 + 81 = 0
0 + 12k = 15 + 81
12k = 15 + 81

Combine like terms: 15 + 81 = 96
12k = 96

Divide each side by '12'.
k = 8

Simplifying
k = 8

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