Question

How do you solve y=3x-4 and 2x-3y=-9?

Answer 1

`x=3`
`y=5`

Explanation:

Let `3y = 3(3x-4)`,

`2x - 3(3x-4)=-9`
`2x-9x+12=-9`
`-7x=-21`
`x=3`
`y=5`