Question

How do you solve the system of equations `2x + 7y = - 19` and `5x - 3y = 14`?

Answer 1

`x=1,y=-3`

Explanation:

Multiplying the first equation by `3` and the second by `7` and adding both we get

`41x=41`
`x=1`
then we get

`2+7y=-19`
`7y=-21`
`y=-3`