Question

How do you solve the system of equations `y-2x=-5` and `2x-2y=6`?

Answer 1

`y=-1`
`x=2`

Explanation:

`y-2x=-5`
`2x-2y=6`

`y=2x-5`
`x-y=3`

`y=2x-5`
`x-2x+5=3`

`y=2x-5`
`-x=-2`

`y=4-5`
`x=2`

`y=-1`
`x=2`