289=76-u

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Solution for 289=76-u equation:


Simplifying
289 = 76 + -1u

Solving
289 = 76 + -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.
289 + u = 76 + -1u + u

Combine like terms: -1u + u = 0
289 + u = 76 + 0
289 + u = 76

Add '-289' to each side of the equation.
289 + -289 + u = 76 + -289

Combine like terms: 289 + -289 = 0
0 + u = 76 + -289
u = 76 + -289

Combine like terms: 76 + -289 = -213
u = -213

Simplifying
u = -213

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