31
-31
-31 -( -7) = -24
31-(-6) We know minus and minus becomes plus 31+6 37
-15 - (-15) = 0
-3
-15 minus -4 is -11.
-15-(-10)= -15+10= -5
3
15 is.
8 minus negative 15 is twenty three.23.you first add negative 15 + 8 and it is 23.that will give you the answer
If you subtract 15 from -6 you get -21. If you worked out the problem on paper, this is what it would look like. -6 - 15 = ? (change the minus to a plus, and change the sign of 15 from positive to negative) -6 + -15 = ? ( now you can add negative 6 plus negative 15 which equals negative 21) -6 + -15 = -21