Question

X + y = 2 and x - y = 4

Answer 1

x=3

y=-1

Explanation:

Add both equations.

x+y=2

x-y=4

2x=6

Divide 2 from both sides.

x=3

Plug in 3 for the x values into one of the equations.

x+y=2

3+y=2

Subtract 3 from both sides.

y=-1

Hope this helps!

If not, I am sorry.

Answer 2

x=3

y=-1

Explanation:

add

x+y+x-y=2+4

2x=6

x=6/2=3

3+y=2

y=2-3=-1