For which equations below is x = –3 a possible solution? Select three options.|x| = 3|x| = –3|–x| = 3|–x| = –3–|x| = –3

Substitute x = −3 into each equation. Then |x| = 3 and |−x| = |3| = 3, so |x| = 3 and |−x| = 3 are true. Also, −|x| = −3, so that equation is true as well; an absolute value by itself cannot equal −3.

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