Question

WHAT is the sign when you add -4 + -5 ?

Answer 1

Answer:

-4 + (-5)

= - 4 - 5

= -9

Step-by-step explanation:

hope its helpful.

Answer 2

$\bf We \: use \: Pattern \\ ( - ) + ( - ) = ( + ) \\ - 4 + ( - 5) = - 4 - 5 = - 9$