12=k+13

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Solution for 12=k+13 equation: 


Simplifying
12 = k + 13

Reorder the terms:
12 = 13 + k

Solving
12 = 13 + 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.
12 + -1k = 13 + k + -1k

Combine like terms: k + -1k = 0
12 + -1k = 13 + 0
12 + -1k = 13

Add '-12' to each side of the equation.
12 + -12 + -1k = 13 + -12

Combine like terms: 12 + -12 = 0
0 + -1k = 13 + -12
-1k = 13 + -12

Combine like terms: 13 + -12 = 1
-1k = 1

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

Simplifying
k = -1

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