12-k=20

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Solution for 12-k=20 equation: 


Simplifying
12 + -1k = 20

Solving
12 + -1k = 20

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 + -1k = 20 + -12

Combine like terms: 12 + -12 = 0
0 + -1k = 20 + -12
-1k = 20 + -12

Combine like terms: 20 + -12 = 8
-1k = 8

Divide each side by '-1'.
k = -8

Simplifying
k = -8

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