SOLUTION: How do I find the absolute value of this problem: |5-12| I had -7, but my teacher told me it was wrong.

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Question 346120: How do I find the absolute value of this problem:
|5-12|
I had -7, but my teacher told me it was wrong.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The absolute value function always delivers a non-negative answer.
abs%285-12%29=abs%28-7%29
abs%285-12%29=7