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Mathematics 8 Online
OpenStudy (anonymous):

Evaluate -6 - (-2). -4 -8 4 12

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):

@mathstudent55

OpenStudy (mathstudent55):

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