Question

How do you solve `2 m + n = 0` and `m - 5 n = 22` using substitution?

Answer 1

`n=-22/6=-11/3, m=-11/6`

Explanation:

`2m+n=0`
`2m=-n`
`m-5n=22`
`-n-5n=22`
`-6n=22`
`n=-22/6=-11/3`
`m=-11/6`