Question

Which one of the following is correct? options
-50+40=10
-100+(-20)=102
49+56=105
78+(-16)=62

Answer 1

Answer:

If I am not mistaken the last two are correct

Answer 2

Answer:

c,d are correct

Step-by-step explanation:

78+(-16)=62

78-16=62

49+56