-84=3(-4k-8k)

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Solution for -84=3(-4k-8k) equation:


Simplifying
-84 = 3(-4k + -8k)

Combine like terms: -4k + -8k = -12k
-84 = 3(-12k)

Remove parenthesis around (-12k)
-84 = 3 * -12k

Multiply 3 * -12
-84 = -36k

Solving
-84 = -36k

Solving for variable 'k'.

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

Add '36k' to each side of the equation.
-84 + 36k = -36k + 36k

Combine like terms: -36k + 36k = 0
-84 + 36k = 0

Add '84' to each side of the equation.
-84 + 84 + 36k = 0 + 84

Combine like terms: -84 + 84 = 0
0 + 36k = 0 + 84
36k = 0 + 84

Combine like terms: 0 + 84 = 84
36k = 84

Divide each side by '36'.
k = 2.333333333

Simplifying
k = 2.333333333

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