Question

6.Find the following : 2m
(a) 5 – (-7) =_____.
(b) -20 – 17=____.
© 12 – (-31)= ___.
(d) -20 -17=_____.

Answer 1

Step-by-step explanation:

5-(-7)=12

-20-17=-37

12-(-31)=43

-20-17=-37

12-37+43-37=-74+55=25