k+12=3x

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Solution for k+12=3x equation: 


Simplifying
k + 12 = 3x

Reorder the terms:
12 + k = 3x

Solving
12 + k = 3x

Solving for variable 'k'.

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

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

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

Simplifying
k = -12 + 3x

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