U+1=-4+7

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Solution for U+1=-4+7 equation: 


Simplifying
U + 1 = -4 + 7

Reorder the terms:
1 + U = -4 + 7

Combine like terms: -4 + 7 = 3
1 + U = 3

Solving
1 + U = 3

Solving for variable 'U'.

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

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

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

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

Simplifying
U = 2

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