u-2u=30

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Solution for u-2u=30 equation: 


Simplifying
u + -2u = 30

Combine like terms: u + -2u = -1u
-1u = 30

Solving
-1u = 30

Solving for variable 'u'.

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

Divide each side by '-1'.
u = -30

Simplifying
u = -30

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