12.3=k-2.1

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Solution for 12.3=k-2.1 equation: 


Simplifying
12.3 = k + -2.1

Reorder the terms:
12.3 = -2.1 + k

Solving
12.3 = -2.1 + 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.
12.3 + -1k = -2.1 + k + -1k

Combine like terms: k + -1k = 0
12.3 + -1k = -2.1 + 0
12.3 + -1k = -2.1

Add '-12.3' to each side of the equation.
12.3 + -12.3 + -1k = -2.1 + -12.3

Combine like terms: 12.3 + -12.3 = 0.0
0.0 + -1k = -2.1 + -12.3
-1k = -2.1 + -12.3

Combine like terms: -2.1 + -12.3 = -14.4
-1k = -14.4

Divide each side by '-1'.
k = 14.4

Simplifying
k = 14.4

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