-9+u=-2

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Solution for -9+u=-2 equation: 


Simplifying
-9 + u = -2

Solving
-9 + u = -2

Solving for variable 'u'.

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

Add '9' to each side of the equation.
-9 + 9 + u = -2 + 9

Combine like terms: -9 + 9 = 0
0 + u = -2 + 9
u = -2 + 9

Combine like terms: -2 + 9 = 7
u = 7

Simplifying
u = 7

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