Question

How do you find the solution of the system of equations `x-2y=3` and `x-y=3`?

Answer 1

`"[1] "x-2y=3`
`"[2] "x-y = 3`

`"[3] = [1] - [2] "-y = 0`
Substituting back into `" [2]"`
`x-0 = 3`
`x=3`

Solution for the given system of equations is
`(x,y) = (3,0)`