12k-k-4k-k=18

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Solution for 12k-k-4k-k=18 equation: 


Simplifying
12k + -1k + -4k + -1k = 18

Combine like terms: 12k + -1k = 11k
11k + -4k + -1k = 18

Combine like terms: 11k + -4k = 7k
7k + -1k = 18

Combine like terms: 7k + -1k = 6k
6k = 18

Solving
6k = 18

Solving for variable 'k'.

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

Divide each side by '6'.
k = 3

Simplifying
k = 3

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