s+u=4

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Solution for s+u=4 equation: 


Simplifying
s + u = 4

Solving
s + u = 4

Solving for variable 's'.

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

Add '-1u' to each side of the equation.
s + u + -1u = 4 + -1u

Combine like terms: u + -1u = 0
s + 0 = 4 + -1u
s = 4 + -1u

Simplifying
s = 4 + -1u

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