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From the definition of absolute value, |3x|= when x>=0

User Toris
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1 Answer

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Answer: 3x

Step-by-step explanation:

When x is zero or larger, then |x| = x.

An example: |9| = 9

This applies to |3x| as well, so |3x| = 3x when
x \ge 0

User Bojan Trajkovski
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