18 - (-503) = 521
6058
18-36=-18 * * * * * That is 18 minus 36. But the question was about negative 18 minus 36. The answer to the question is -18 - 36 = -54
18 minus 11 is 7.
-18 minus 9 is -27
The answer that you are looking for is: -18 (minus 18).
13 - 14 - 18 - 23 - 32 = -74
Since minus a negative is the same as a plus, then 18 - (-18) is the same as 18+18 = 36
7 - 18 - 13 = -24
18
18-4-503
-18
18.