negative 7 because, you subract them and keep the highest sign. Or you can do it this way
--------- these are 9 negatives
++ those are 2 positives
if you cross them out from top to bottom, you get 7 negatives left over therefore -7.
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Negative 9 minus 5 can be solved by first recognizing that subtracting a positive number is equivalent to adding its negative. Therefore, negative 9 minus 5 is the same as negative 9 plus negative 5. When adding two negative numbers, you add their absolute values and keep the negative sign. Thus, negative 9 plus negative 5 equals negative 14.
-3
a negative 15
negative 9
negative nine