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OpenStudy (anonymous):
18 + (-3) =
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OpenStudy (anonymous):
+15
OpenStudy (kymber):
A positive number added to a negative is just like subtracting. This equation would be the same as 18 - 3 Hope this helps :]
OpenStudy (hoblos):
= 18-3 =15
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
15 same signs add and keep Different signs subtract, keep the sign of the higher number and you'll be exact
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