Question

the difference of two numbers is 21 if one of them is -42 then find the other. I am in 6 class. so plz.. answer in a easy method to let me understand

Answer 1

Answer:

LET NO. BE X

NOW ,

⇒X-(-42)=21

∴X+42=21

⇒X=21-42

∴X= -21 ANS.

Step-by-step explanation:

Answer 2

x-y=21
if y=-42
then
x+42=21
x=21-42
x=-21