-8-u=-1

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Solution for -8-u=-1 equation: 


Simplifying
-8 + -1u = -1

Solving
-8 + -1u = -1

Solving for variable 'u'.

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

Add '8' to each side of the equation.
-8 + 8 + -1u = -1 + 8

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

Combine like terms: -1 + 8 = 7
-1u = 7

Divide each side by '-1'.
u = -7

Simplifying
u = -7

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