u-10=-1

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Solution for u-10=-1 equation: 


Simplifying
u + -10 = -1

Reorder the terms:
-10 + u = -1

Solving
-10 + u = -1

Solving for variable 'u'.

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

Add '10' to each side of the equation.
-10 + 10 + u = -1 + 10

Combine like terms: -10 + 10 = 0
0 + u = -1 + 10
u = -1 + 10

Combine like terms: -1 + 10 = 9
u = 9

Simplifying
u = 9

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