r(s+t)=u

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Solution for r(s+t)=u equation: 


Simplifying
r(s + t) = u
(s * r + t * r) = u
(rs + rt) = u

Solving
rs + rt = u

Solving for variable 'r'.

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

Combine like terms: u + -1u = 0
rs + rt + -1u = 0

The solution to this equation could not be determined.

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