Question

what are the rules when you add and subtract negitive and positive numbers?

Answer 1

..... always add?

Answer 2

?

Answer 3

subtraction is just "adding a negative"

Answer 4

like signs are always positive

different signs go negative

Answer 5

ok but what if u subtract a negitive?

Answer 6

3--5 .... like signs are positive

3+5

Answer 7

ok umm -4 --7 would equal...

Answer 8

-4--7

-4+7

7-4 = ?

Answer 9

??????????

Answer 10

yeah, that doesnt help me understand your confusion any.

Answer 11

do we have to start back with "what is a number" and go from there?

Answer 12

++ becomes +
-- becomes +
+- becomes -

Answer 13

i.e.
1 - - 1
= 1 + 1
= 2


whereas 1 + - 1
= 1 - 1
= 0

1 ++ 1
= 1+1
=2