1540 minus 10% of it gives 1386.
0
A minus by a minus by a positive gives a positive.
-10 minus -10 is 0.
-29 - 10 = -39
-4 - 6 - (-10) = 0
-25 - 10 = -35
10 minus 302 is -292
-10 minus 7 is -17
10% minus 32 is -31.9
10 minus negative 10 equals 20: 10 - (-10) = 20 or rather 10 + 10 = 20. 10- (minus 10) = 20
The other way round because minus 10 is colder than minus 4