Question

xercise 4.2
Use the number line to write the sum:
(a) (-7)+(+3) (b) (-2)+(-4)
(c) (+5)-(+1) (d) (+2)+(-3)
(e) (-1)+(-2)+(-3) (f) (-3)+(-4)+(-2)
Find the sum of the following:
(a) (+5)+(+2)
(b) (+9)+(+7)​

Answer 1

Hey it’s integers and it’s very easy.
a. (-7)+(+3)
Ans.
-7+3=-4 and why minus four cuz u will take the sign of the bigger no.