Question

X + y = 2 3x - y = 2 elimination

Answer 1

`x = 1`

Explanation:

`x + y = 2\\3x - y = 2`

the y and - y cancel out each other

`x = 2\\3x = 2`

add the terms on top of each other

x + 3x = 4x

2 + 2 = 4

`4x = 4`

`x = 1`