4
-11
0
To subtract a negative number, you must change the subtraction sign to an addition sign, then make the second number its opposite. Ex. (-9)-(-13) (-9)+(+13)=4
-1
Subtract a negative 1. 19 - (-1) = 20
-5
it depends ex. -4 - -8 = -4 + +8 = +4
4
1
30
-3
-3
Sometimes. For example: (-4) - (-3) = -1 (-4) - (-4) = 0 (-4) - (-5) = 1
-11
You would use the reverse operation for a negative integer being added or subtracted.To add a negative integer, subtract its absolute value (positive value).Example : 4 + (-3) = 4 - (3) = 1To subtract a negative integer, add its absolute (positive) value.Example : 4 - (-2) = 4 + 2 = 6Beginning with a negative, adding a negative increases the negative value.Example : (-4) + (-3) = -7Subtracting a negative reduces the negative value.Example (-4) - (-1) = (-3) * this is the same as (-4) + 1 = (-3)
-2