24-09-2020
Mathematics

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l-28l - l-1l how do we do this? (I would be happy if you explain)

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24-09-2020

The lines on the sides are absolute value, anything inside those two lines is always going to change to a positive. In this case |-28| would be 28 and |-1| would be 1. 28-1 is 27. Hope this helps :)

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