-18 + 16 = -2
16 positive is.
negative sixteen. ( im 10 and doing this )
27
-2/9 + 5/6 = -4/18 + 15/18 = 11/18
5/18 + -1/6 = 5/18 - 3/18 = 2/18 = 1/9
When subtracting a negative number, you can think of it as adding the positive equivalent. In this case, 18 minus a negative 18 is the same as 18 plus 18, which equals 36. This is because subtracting a negative number is equivalent to adding its positive counterpart.
(-0.75) + 18 = 17.25
Negative 2 - negative is 18 integers. Positive 18 to negative is 20 integers.
-4 + -5 + -2 + -1 = -12 (negative 12).
-((x + 2)(x - 9))
-11 + (-7) = -18