-4u-5u=18

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Solution for -4u-5u=18 equation: 


Simplifying
-4u + -5u = 18

Combine like terms: -4u + -5u = -9u
-9u = 18

Solving
-9u = 18

Solving for variable 'u'.

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

Divide each side by '-9'.
u = -2

Simplifying
u = -2

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