7u-9u=

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Solution for 7u-9u= equation: 


Simplifying
7u + -9u = 0

Combine like terms: 7u + -9u = -2u
-2u = 0

Solving
-2u = 0

Solving for variable 'u'.

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

Divide each side by '-2'.
u = 0

Simplifying
u = 0

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