Question

Answer 1

-40

0

-40

Answer 2

-40

0

-40

Answer 3

-40

0

-40

Answer 4

a ) ( -37 ) - 14 - 26 + 37

=  ( -37 + 37 ) + ( -14 - 26 )

= 0 + ( - 40) = -40

b) ( -15) - 23 +(- 85) -77

= ( -15 - 85 ) + ( -23 - 77 )

= ( -100 ) + ( -100 )

= -200

c) (-24) + 4 + ( -6) + 26

= ( -24 - 6 ) + ( 4+26)

= (-30) + 30

= 0