Solve the compound inequality |r + 3| = 7

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Asked 7/23/2012 2:34:51 PM

Updated 9/14/2014 6:01:42 PM

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Asked 7/23/2012 2:34:51 PM

Updated 9/14/2014 6:01:42 PM

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Flagged by alfred123 [9/14/2014 6:01:43 PM]

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alfred123

|r + 3| = 7

r + 3 = -7 or r + 3 = 7

r + 3 = -7;
r = -7 - 3;
r = -10;

r + 3 = 7;
r = 7 - 3;
r = 4;

r = {-10, 4}

Added 9/14/2014 6:01:34 PM

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