Answers

2015-08-01T18:16:02+08:00
Ex
(-4) - (-10) = (-4) + 10 = 6
copy the (-4) then change - to + then the (-10) will be positive 10.

i hope it help
0
subtraction of integers
change the subtrahend the proceed to addition
2015-08-01T18:21:03+08:00