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Anton [14]
3 years ago
7

What is positive four plus negative four over negative nine plus negative seven

Mathematics
1 answer:
seraphim [82]3 years ago
8 0
\frac{4 + (-4)}{(-9) + (-7)} = \frac{4-4}{-9 -7} = \frac{0}{-16} = 0

When 0 is in the numerator, then the whole fraction becomes equal to 0.

However if 0 is in the denominator, then it is undefined.
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