Question

How do you solve the following linear system: `3x – 9y = 0, x + 2y = -4`?

Answer 1

`y=-4/5`

Explanation:

Dividing the first equation by `3` we get

`x=3y`
plugging this in the second equation we get
`5y=-4`
so

`y=-4/5`
and

`x=-12/5`