u+9=-6

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Solution for u+9=-6 equation: 


Simplifying
u + 9 = -6

Reorder the terms:
9 + u = -6

Solving
9 + u = -6

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 = -6 + -9

Combine like terms: 9 + -9 = 0
0 + u = -6 + -9
u = -6 + -9

Combine like terms: -6 + -9 = -15
u = -15

Simplifying
u = -15

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