Question

How do you find the solution of the system of equations `x-2y = 4` and `2x + 3y = 1`?

Answer 1

`x=2,y=-1`

Explanation:

Multiplying the first equation by `-2` and adding to the second we get

`7y=-7`

so `y=-1`
plugging this in the first equation

`x+2=4`
so

`x=2`