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OpenStudy (anonymous):
help?
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OpenStudy (anonymous):
OpenStudy (skullpatrol):
To subtract 99 add -99
OpenStudy (skullpatrol):
-80 - 99 = -80 + (-99)
OpenStudy (skullpatrol):
$$a-b= a +(-b)$$
OpenStudy (skullpatrol):
Let a = -80 and b = 99
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OpenStudy (anonymous):
is -179 correct?
OpenStudy (skullpatrol):
yes
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