3*(c - 13), or more precisely, 3*abs(c - 13)
It is: 25 minus 12 = 13
13(60 - w)
19 minus 6 equals 13. This subtraction operation involves taking away 6 from 19, resulting in a difference of 13. In mathematical terms, this can be represented as 19 - 6 = 13.
It is 7/13.
17
-13 minus -13 is 0.
104 minus 13 is 91.
-8 - (-13) = - 8 + 13 = +5 ( minus a minus is a plus)
70 - (20 - 13)
13 - 14 - 18 - 23 - 32 = -74
7 - 18 - 13 = -24
9/13 minus 2/13 is 7/13.