189=8-u

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Solution for 189=8-u equation:


Simplifying
189 = 8 + -1u

Solving
189 = 8 + -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.
189 + u = 8 + -1u + u

Combine like terms: -1u + u = 0
189 + u = 8 + 0
189 + u = 8

Add '-189' to each side of the equation.
189 + -189 + u = 8 + -189

Combine like terms: 189 + -189 = 0
0 + u = 8 + -189
u = 8 + -189

Combine like terms: 8 + -189 = -181
u = -181

Simplifying
u = -181

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