us+uz=r

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Solution for us+uz=r equation: 


Simplifying
us + uz = r

Solving
su + uz = r

Solving for variable 's'.

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

Add '-1uz' to each side of the equation.
su + uz + -1uz = r + -1uz

Combine like terms: uz + -1uz = 0
su + 0 = r + -1uz
su = r + -1uz

Divide each side by 'u'.
s = ru-1 + -1z

Simplifying
s = ru-1 + -1z

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