4
-5 minus 4 is -9.
8/9 minus 5/9 is 1/3
-5 + 9 = 4
5/9 minus 5/12 is 5/36.
31/20 minus 5/9 is 179/180
-9 minus -4 is -5
7/9 minus 2/9 is 5/9
5 x 6 - 9 - 4 = 17
Do you mean 9 plus 5 minus 7 minus 5? If so, the equation would be: 9+5-7-5=2
9 - 14 = -5
9
Applying the laws of BODMAS, 9 - 8 + (8 x 5) - 9 = 32