12.2=k-8.9

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Solution for 12.2=k-8.9 equation: 


Simplifying
12.2 = k + -8.9

Reorder the terms:
12.2 = -8.9 + k

Solving
12.2 = -8.9 + 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.
12.2 + -1k = -8.9 + k + -1k

Combine like terms: k + -1k = 0
12.2 + -1k = -8.9 + 0
12.2 + -1k = -8.9

Add '-12.2' to each side of the equation.
12.2 + -12.2 + -1k = -8.9 + -12.2

Combine like terms: 12.2 + -12.2 = 0.0
0.0 + -1k = -8.9 + -12.2
-1k = -8.9 + -12.2

Combine like terms: -8.9 + -12.2 = -21.1
-1k = -21.1

Divide each side by '-1'.
k = 21.1

Simplifying
k = 21.1

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