Question

How do you solve the following system?: `-2x+y=1, 2x+3y=11`

Answer 1

`x=1` and `y=3`

Explanation:

After adding first equation to second,

`-2x+y+2x+3y=1+11`

`4y=12`, so `y=3`

Hence,

`2x+3*3=11`

`2x=2`, thus `x=1`