u-u+2u-2u+u=7

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Solution for u-u+2u-2u+u=7 equation:


Simplifying
u + -1u + 2u + -2u + u = 7

Combine like terms: u + -1u = 0
0 + 2u + -2u + u = 7
2u + -2u + u = 7

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

Solving
u = 7

Solving for variable 'u'.

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

Simplifying
u = 7

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