Question

Find the value of the following:
(a) -4+7-(-20)
(b) 80-(-70)-(-4)
(c) -20+32-3-2
(d) (-15)+(-8)+(20)​

Answer 1

Answer:

(A) -4+7+20

-4+27

23

(B) 80+70+4

154

(C) +32-20-3-2

+32-25

+7

(D) -15-8+20

-23+20

-3

Answer 2

Step-by-step explanation:

a)-4+7-(-20)

=3-(-20)

=3+20

=23

b)80-(-70)-(-4)

=80+70+4

=150+4

=154

c)-20+32-3-2

=28-3-2

=25-2

=23

d)(-15)+(-8)+(20)

=-15-8+20

=-23+20

=-3