9 + (-9) = 9 - 9 = 0
9 + (-8) = 1
negative 9
a negative 15
Negative 9
-9 + -9This is the same as -9 - 9......which equals -18
Negative 9
negative nine
The sum of -36 and -9 is -45.
The sum of -9 and -1 is -10.
-9 + 4 = -5 (negative 5)
Negative eleven plus twenty is positive 9.
the answer is negative 5