Question

9- (-4) =
14 -9 =
(-4) - (-5) =
-7 - 9 =

Answer 1

Explanation:

9 + 4 = 13 Two minus' make a plus

14-9 = 5 this is just subtraction

-4 + 5 = 1 two minus's make a plus.

-7-9 = -16