-2u+6u=9

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Solution for -2u+6u=9 equation: 


Simplifying
-2u + 6u = 9

Combine like terms: -2u + 6u = 4u
4u = 9

Solving
4u = 9

Solving for variable 'u'.

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

Divide each side by '4'.
u = 2.25

Simplifying
u = 2.25

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