U+u-2u+3u-u+2u-u-u=

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Solution for U+u-2u+3u-u+2u-u-u= equation: 


Simplifying
U + u + -2u + 3u + -1u + 2u + -1u + -1u = 0

Combine like terms: u + -2u = -1u
U + -1u + 3u + -1u + 2u + -1u + -1u = 0

Combine like terms: -1u + 3u = 2u
U + 2u + -1u + 2u + -1u + -1u = 0

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

Combine like terms: 1u + 2u = 3u
U + 3u + -1u + -1u = 0

Combine like terms: 3u + -1u = 2u
U + 2u + -1u = 0

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

Solving
U + 1u = 0

Solving for variable 'U'.

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

Add '-1u' to each side of the equation.
U + 1u + -1u = 0 + -1u

Combine like terms: 1u + -1u = 0
U + 0 = 0 + -1u
U = 0 + -1u
Remove the zero:
U = -1u

Simplifying
U = -1u

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