5 + 3 = ____ + 5.

3 x [ 5 x ( -3 ) ] = ( 3 x 5 ) x ( -3 ).  State the  property used here.

I was 4 km east of my home. Now I am 3 km west of my home. How many kilometres did I travel ? 

Successor of a  is ___________.

Additive inverse of  -7 is _________.

__________ is neither positive nor negative.

(681) x ____ = 0.

723 x ( -73 ) - 73 ( - 723 ) = ____.

(-499) ÷ ____ = 1.

Out of -7, -5, -3, 1, 4, 7, find a pair of integers whose sum is -2.