the sum of two numbers is 10 and the difference is 2

Question

help plez

Answer 1

x + y = 10

x - y = 2

 

x = 10 - y (from 1st equation)

 

Now substitute (10 - y) for x in 2nd equation:

 

(10 - y) - y = 2

10 -2y = 2

2y = 8

y = 4

 

x = 10 - 4 = 6

 

So, x = 6, y = 4