5u=-4u-9

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Solution for 5u=-4u-9 equation: 


Simplifying
5u = -4u + -9

Reorder the terms:
5u = -9 + -4u

Solving
5u = -9 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
5u + 4u = -9 + -4u + 4u

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

Combine like terms: -4u + 4u = 0
9u = -9 + 0
9u = -9

Divide each side by '9'.
u = -1

Simplifying
u = -1

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