84 minus -10 is 94.
(-10) - 10 = -20
-24
-10
14
-30-10 is equal to -40
10-(-2)=10+2=12.
10-(-1)=9
I think you mean "What does negative 10 minus 5 equal?" If not, please correct me. But, the correct answer would be -15 or negative 15.
-10 minus -28 is 18.
Because - - 10 is the same as +10 and so 18- -10 = 28