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It is: 16 - -4 = 20
-16 - 4 = -20
16 minus -4 is 20.
-16-(-16)=0
16 minus -11 is 27.
-4 minus -34 is 30
It is: 10--6 = 16 because --6 is +6
-4 minus -12 is 8.
16
-12 - 4 = -16
-16 minus -9 is -7
28. Subtracting a negative number gives the same result as adding a positive.
45 minus -16 is 61.
-7 minus -4 is -3