What are the values of x and y in the following system of equations? x+y=15 y-x=5

Question

What are the values of x and y in the following system of equations?


`x+y=15`

`y-x=5`

Answer 1

Explanation:

By elimination method,

x+y=15

-x+y=5

------------

2y=20

i.e y=10

Now,

x+y=15

or, x+10=15

or, x=5