U-x=3

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Solution for U-x=3 equation: 


Simplifying
U + -1x = 3

Solving
U + -1x = 3

Solving for variable 'U'.

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

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

Combine like terms: -1x + x = 0
U + 0 = 3 + x
U = 3 + x

Simplifying
U = 3 + x

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