nysjaree
nysjaree
30-09-2014
Mathematics
contestada
negative 17 minus negative 9
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looveblussh
looveblussh
30-09-2014
my teacher always told me keep change and then opposite
so keep -17
change the minus sign to plus sign
and the opposite is postive 9
*-17+9=-8*
Remember different sign you subtract and keep sign of the biggest number
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