-2 no way the question is 7--9 which is 16
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Oh, dude, subtracting a negative is like adding a positive, so 7 minus negative 9 is basically 7 plus 9, which equals 16. So, the answer is 16. Easy peasy lemon squeezy!
negative 9 -9
because both are minus and minus and minus is below zero, it would be 2 further below zero, -7-2=9
negative 49. This is because a minus multiplied by a plus is a minus.
-18 minus 9 is -27
0 minus -9 is 9