Question

How do you solve `x-2y=0` and `4x-3y=15` using substitution?

Answer 1

`x=6,y=3`

Explanation:

`x-2y=0 => x=2y`
Substitute x=2y into 4x-3y=15, we get :
`4(2y)-3y=15`
`8y-3y=15`
`5y=15 => y=3`
`x=2y = 2xx3=6`