nysjaree nysjaree

30-09-2014
Mathematics

contestada

negative 17 minus negative 9

Respuesta :

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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