Question

4. Add the following.
a. (-20) and (+30)
b. (+10) and (-12)
c. (+8) and (-20)
d. (-7) and (-3)
e. (-20) and (-30)​

Answer 1

Answer:

a) -20-30

=-50

b) +10-12

=2

c)+8-20

=12

d)-7+3

=4

e)-20+30

=10

Here is answer I hope this is correct

Answer 2

Answer:

a) +10

b) -2

c) -12

d) -10

e) -50

Step-by-step explanation:

a) -20 + 30

= 10

b) 10 +(-12)

= 10 - 12

= -2

c) 8 +(-20 )

= 8 - 20

= -12

d) -7 + (-3 )

= -7 -3

= -10

e) -20 + (-30)

= -20 - 30

= - 50