U+2+1=6-u

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Solution for U+2+1=6-u equation: 


Simplifying
U + 2 + 1 = 6 + -1u

Reorder the terms:
2 + 1 + U = 6 + -1u

Combine like terms: 2 + 1 = 3
3 + U = 6 + -1u

Solving
3 + U = 6 + -1u

Solving for variable 'U'.

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

Add '-3' to each side of the equation.
3 + -3 + U = 6 + -3 + -1u

Combine like terms: 3 + -3 = 0
0 + U = 6 + -3 + -1u
U = 6 + -3 + -1u

Combine like terms: 6 + -3 = 3
U = 3 + -1u

Simplifying
U = 3 + -1u

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