-U+172=42

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Solution for -U+172=42 equation: 


Simplifying
-1U + 172 = 42

Reorder the terms:
172 + -1U = 42

Solving
172 + -1U = 42

Solving for variable 'U'.

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

Add '-172' to each side of the equation.
172 + -172 + -1U = 42 + -172

Combine like terms: 172 + -172 = 0
0 + -1U = 42 + -172
-1U = 42 + -172

Combine like terms: 42 + -172 = -130
-1U = -130

Divide each side by '-1'.
U = 130

Simplifying
U = 130

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