89+u=8

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Solution for 89+u=8 equation: 


Simplifying
89 + u = 8

Solving
89 + u = 8

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-89' to each side of the equation.
89 + -89 + u = 8 + -89

Combine like terms: 89 + -89 = 0
0 + u = 8 + -89
u = 8 + -89

Combine like terms: 8 + -89 = -81
u = -81

Simplifying
u = -81

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