Question

Find the sum.

1 + (-4) + 5 + (-8) =

Answer 1

1-4+5-8=-6

Answer 2

1-4+5-8
-3+5-8
2-8
-6

Answer 3

remember this rule

(+)(+)=(+)
(-)(-)=(+)
(-)(+)=(-)
(+)(-)=(-)