Nonnegative Absolute Value Expressions
If x is a real number, which of the following expressions can never be negative?
A
10 - |x - 5|
B
|3 - 5''x''| + 1
C
|2''x'' - 10| - 3
D
3|2x + 1| - 7
E
- 1 + |5x + 2|
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