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Write an absolute value equation that has 4 and -4 as its solutions.
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Write an absolute value equation that has 4 and -4 as its solutions.

User Rob Hall
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|x|=4\iff x=-4\ \vee\ x=4

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|x|=4\ \ \ \ |\cdot2\\\\2|x|=8\ \ \ \ |-5\\\\2|x|-5=3\\\\|2x|-5=3

User Stuart Breckenridge
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