mathejelp
mathejelp
05-10-2018
Mathematics
contestada
Please help. I will reward brainly
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oggowin
oggowin
05-10-2018
Positive, 72 minus negative 9 is the same thing as 72+9, which equals 81. So the answer is positive
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Danner
Danner
05-10-2018
Positive. Here's a trick I use.
- + = -
- - = +
You need two lines to make a +, and you can't make one with just -
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