How do you know if your anwser in absolut value is extranious after you plug it back into the equation?

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asked Sep 12, 2017 53.3k views

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Jacob Lockard · Answer 1 · 2017-09-18T06:38:40+0000

If an number is an absolute value, it means that the number will be positive. You would plug and check the same way you would for any other equation and it a solution is considered extraneous if the equation is not equal

How do you know if your anwser in absolut value is extranious after you plug it back into the equation?

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