U-u-4=0

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Solution for U-u-4=0 equation:


Simplifying
U + -1u + -4 = 0

Reorder the terms:
-4 + U + -1u = 0

Solving
-4 + U + -1u = 0

Solving for variable 'U'.

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

Add '4' to each side of the equation.
-4 + U + 4 + -1u = 0 + 4

Reorder the terms:
-4 + 4 + U + -1u = 0 + 4

Combine like terms: -4 + 4 = 0
0 + U + -1u = 0 + 4
U + -1u = 0 + 4

Combine like terms: 0 + 4 = 4
U + -1u = 4

Add 'u' to each side of the equation.
U + -1u + u = 4 + u

Combine like terms: -1u + u = 0
U + 0 = 4 + u
U = 4 + u

Simplifying
U = 4 + u

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