3k+k=12

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Solution for 3k+k=12 equation: 


Simplifying
3k + k = 12

Combine like terms: 3k + k = 4k
4k = 12

Solving
4k = 12

Solving for variable 'k'.

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

Divide each side by '4'.
k = 3

Simplifying
k = 3

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