2u-u=20

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Solution for 2u-u=20 equation: 


Simplifying
2u + -1u = 20

Combine like terms: 2u + -1u = 1u
1u = 20

Solving
1u = 20

Solving for variable 'u'.

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

Divide each side by '1'.
u = 20

Simplifying
u = 20

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