Question

How do you solve the simultaneous equations `2x - 4y = -8` and `2x +3y =17`?

Answer 1

`(x,y) in {(22/7, 25/7)}`

Explanation:

`x - 2y = -4`

`x = 2y -4`

`2(2y-4) + 3y = 17`

`4y + 3y = 17 + 8`

`y = 25/7`

`x = 2*25/7 - 4`