173=2-u

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Solution for 173=2-u equation:


Simplifying
173 = 2 + -1u

Solving
173 = 2 + -1u

Solving for variable 'u'.

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

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

Combine like terms: -1u + u = 0
173 + u = 2 + 0
173 + u = 2

Add '-173' to each side of the equation.
173 + -173 + u = 2 + -173

Combine like terms: 173 + -173 = 0
0 + u = 2 + -173
u = 2 + -173

Combine like terms: 2 + -173 = -171
u = -171

Simplifying
u = -171

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