Question

b.
d. (-30 + 10) - (40 - 20)​

Answer 1

Answer:

$( - 30 + 10) - (40 - 20) \\ = > (- 20) - 20 \\ - 40$

Answer 2

Step-by-step explanation:

=( -30+10) -(40-20)

=(-20) - (20)

=-20 -20

= -40

here is the ans.