223=151-u

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Solution for 223=151-u equation:


Simplifying
223 = 151 + -1u

Solving
223 = 151 + -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.
223 + u = 151 + -1u + u

Combine like terms: -1u + u = 0
223 + u = 151 + 0
223 + u = 151

Add '-223' to each side of the equation.
223 + -223 + u = 151 + -223

Combine like terms: 223 + -223 = 0
0 + u = 151 + -223
u = 151 + -223

Combine like terms: 151 + -223 = -72
u = -72

Simplifying
u = -72

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