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OpenStudy (anonymous):
l-12l - l-8l
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OpenStudy (anonymous):
12 - 8 = 4
OpenStudy (anonymous):
|-x| = x
OpenStudy (anonymous):
Oh, so when you remove the lines, the number becomes a positive?
OpenStudy (anonymous):
consider this eric http://www.purplemath.com/modules/solveabs.htm the answer to ur question will be: 12-8 which is 4
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