Question

4x-2y=14
{
6x-6y=12​

Answer 1

$\left \{ {{4x-2y=14} \atop {6x-6y=12}} \right.$

$\left \{ {{2x-y=7} \atop {x-y=2}} \right.$

$(2x-y)-(x-y)=7-2$

$2x-y-x+y=5$

$x=5$

$x-y=2$

$5-y=2$

$-y=2-5$

$-y=-3$

$y=3$