Uk+us=x

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Solution for Uk+us=x equation: 


Simplifying
Uk + us = x

Solving
kU + su = x

Solving for variable 'k'.

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

Add '-1su' to each side of the equation.
kU + su + -1su = -1su + x

Combine like terms: su + -1su = 0
kU + 0 = -1su + x
kU = -1su + x

Divide each side by 'U'.
k = -1suU-1 + xU-1

Simplifying
k = -1suU-1 + xU-1

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