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Mathematics 7 Online
OpenStudy (anonymous):

Solve for x. |x| – 4 = 9 (Points : 1) x = 13 x = 13 or –13 x = 5 x = 5 or –5

OpenStudy (anonymous):

Add 4 to both sides, you get /x/ = 13 so x = 13 or x = -13

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