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OpenStudy (openstudygirl2):
Which of the following expressions shows how to rewrite 7 − 8 using the additive inverse and displays the expression correctly on a number line?
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OpenStudy (openstudygirl2):
OpenStudy (skullpatrol):
Any ideas?
OpenStudy (openstudygirl2):
No
OpenStudy (skullpatrol):
What is the algebraic definition of subtraction?
OpenStudy (openstudygirl2):
minus
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OpenStudy (skullpatrol):
minus what?
OpenStudy (openstudygirl2):
the biggest number first ?
OpenStudy (skullpatrol):
That's only true if you do not allow negative numbers
OpenStudy (openstudygirl2):
ow okay is the answer D ?
OpenStudy (skullpatrol):
Yes.
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OpenStudy (openstudygirl2):
Yay!
OpenStudy (skullpatrol):
Good job!
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