72=12+k

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Solution for 72=12+k equation:


Simplifying
72 = 12 + k

Solving
72 = 12 + k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
72 + -1k = 12 + k + -1k

Combine like terms: k + -1k = 0
72 + -1k = 12 + 0
72 + -1k = 12

Add '-72' to each side of the equation.
72 + -72 + -1k = 12 + -72

Combine like terms: 72 + -72 = 0
0 + -1k = 12 + -72
-1k = 12 + -72

Combine like terms: 12 + -72 = -60
-1k = -60

Divide each side by '-1'.
k = 60

Simplifying
k = 60

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