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19-09-2014
Mathematics

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.What is the value of the expression 6m + m - 4(-2m + 1 - m) when m = -8

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Аноним Аноним

20-09-2014

6m + m - 4(-2m + 1) - m = 7m + 8m - 4 - m = 15m - 4 - m = 14m - 4

put m = -8 to the expresiion:

14(-8) - 4 = -112 - 4 = -116

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