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OpenStudy (anonymous):
Evaluate -6 - (-2). -4 -8 4 12
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OpenStudy (mathstudent55):
To subtract a number, add its reciprocal.
OpenStudy (mathstudent55):
The reciprocal of a number is the same number with the opposite sign. For example, the reciprocal of 5 is -5, and the reciprocal of -10 is 10.
OpenStudy (anonymous):
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OpenStudy (mathstudent55):
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