Question

The sum of two number is 50,and their difference is 30.find the numbers​

Answer 1

40 and 10

Explanation:

if you add them you get 50 and if you subtract them you get 30

Answer 2

40 and 10

Explanation:

Let the bigger number = x

Let the smaller number = y

x+y=50

x-y=30

(add the equations)

(x+x)+(y-y)=(50+30)

2x=80

x=40

x+y=50

40+y=50

y=10