r-s-u=2

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Solution for r-s-u=2 equation:


Simplifying
r + -1s + -1u = 2

Solving
r + -1s + -1u = 2

Solving for variable 'r'.

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

Add 's' to each side of the equation.
r + -1s + s + -1u = 2 + s

Combine like terms: -1s + s = 0
r + 0 + -1u = 2 + s
r + -1u = 2 + s

Add 'u' to each side of the equation.
r + -1u + u = 2 + s + u

Combine like terms: -1u + u = 0
r + 0 = 2 + s + u
r = 2 + s + u

Simplifying
r = 2 + s + u

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