4=12-k

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Solution for 4=12-k equation:


Simplifying
4 = 12 + -1k

Solving
4 = 12 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
4 + k = 12 + -1k + k

Combine like terms: -1k + k = 0
4 + k = 12 + 0
4 + k = 12

Add '-4' to each side of the equation.
4 + -4 + k = 12 + -4

Combine like terms: 4 + -4 = 0
0 + k = 12 + -4
k = 12 + -4

Combine like terms: 12 + -4 = 8
k = 8

Simplifying
k = 8

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