k+a=u

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Solution for k+a=u equation: 


Simplifying
k + a = u

Reorder the terms:
a + k = u

Solving
a + k = u

Solving for variable 'a'.

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

Add '-1k' to each side of the equation.
a + k + -1k = -1k + u

Combine like terms: k + -1k = 0
a + 0 = -1k + u
a = -1k + u

Simplifying
a = -1k + u

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