Question

The sum of two numbers is 8. If their sum is four times there difference. Give eqn only.

Answer 1

let x be the first.
2nd x+y

x+y=4(x-y)

Answer 2

here is thhe equtions

x+y=8--------------1


and

x+y=4(x-y)


i.e4(x-y)=8
x-y=2------------2

hope it helps 

thanks