Question

How do you solve the system of equations `5x-y =5` and `-x +3y=13` using substitution?

Answer 1

`x=2, y=5`

Explanation:

`5x-y=5`
`=>y=5x-5`
`=>-x+3(5x-5)=13`
`=>14x=28`
`=>x=2`
`=>y=5`