230=102-u

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Solution for 230=102-u equation:


Simplifying
230 = 102 + -1u

Solving
230 = 102 + -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.
230 + u = 102 + -1u + u

Combine like terms: -1u + u = 0
230 + u = 102 + 0
230 + u = 102

Add '-230' to each side of the equation.
230 + -230 + u = 102 + -230

Combine like terms: 230 + -230 = 0
0 + u = 102 + -230
u = 102 + -230

Combine like terms: 102 + -230 = -128
u = -128

Simplifying
u = -128

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