Question

19+(-6)=

Answer 1

Basically its 19-6
So that leaves you with 13

Answer 2

Draw yourself a number line. Mark out 0 to 19. Now start at 19, step back 6 steps, where do you get to?

Answer 3

WHy is it 19 + (-6)?

Answer 4

19+(-6) is another way of saying 19-6

Answer 5

Because +1 is like a step in the positive direction, to the right on the number line. And -1 is a step to the left, in the negative direction.

Hence 19 + (-1) = 19 - 1
and generalizing 19 + (-anything) = 19 - anything

Answer 6

How come it is a +(-6) though? Do you know what I mean?

Answer 7

I see what you are saying @Jamesj