Mathematics, 15.07.2019 20:10 sloane50

Analyze the solution shown.
1. –|–x| = 7: given
2. |–x| = –7: multiplication property of equality
3. –x = 7 or –x = –7: definition of absolute value
4. x = –7 or x = 7: multiplication property of equality
5. check: –|–(–7)| = 7, –7 ≠ 7
–|–7| = 7, 7 = 7
negative times negative is positive.

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Analyze the solution shown.
1. –|–x| = 7: given
2. |–x| = –7: multiplication property...