55=287-u

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Solution for 55=287-u equation:


Simplifying
55 = 287 + -1u

Solving
55 = 287 + -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.
55 + u = 287 + -1u + u

Combine like terms: -1u + u = 0
55 + u = 287 + 0
55 + u = 287

Add '-55' to each side of the equation.
55 + -55 + u = 287 + -55

Combine like terms: 55 + -55 = 0
0 + u = 287 + -55
u = 287 + -55

Combine like terms: 287 + -55 = 232
u = 232

Simplifying
u = 232

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