What is the sum of -4 and -6?
on a number line,negative means go leftpositive means go right-4 means go 4 units left of zero-6 means another 6 units left of 04+6=10that means 10 total units left or -10
If you need to know the sum you need to add. So if you are adding two negative numbers, basicaly, you are doing subtration.4 - 6 = -2So we just flip the negative 2 into a positive 2.