Question

How do you solve x = y - 8 & -x - y = 0?

Answer 1

`x=-4`
`y=4`

Explanation:

`y=x+8` (1)
`y=-x` (2)

Subtracting (1) - (2):

`0=2x+8`

`2x=-8`

`x=-8/2=-4`

`y=-(-4) =4`