-81=3(1-4k)

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Solution for -81=3(1-4k) equation:


Simplifying
-81 = 3(1 + -4k)
-81 = (1 * 3 + -4k * 3)
-81 = (3 + -12k)

Solving
-81 = 3 + -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 = 3 + -12k + 12k

Combine like terms: -12k + 12k = 0
-81 + 12k = 3 + 0
-81 + 12k = 3

Add '81' to each side of the equation.
-81 + 81 + 12k = 3 + 81

Combine like terms: -81 + 81 = 0
0 + 12k = 3 + 81
12k = 3 + 81

Combine like terms: 3 + 81 = 84
12k = 84

Divide each side by '12'.
k = 7

Simplifying
k = 7

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