Question 868778
1.{{{x+3y=9}}}
2.{{{4x-2y=-6}}}
Multiply eq. 1 by 4 and subtract eq. 2 from it.
{{{4x+12y-4x+2y=36+6}}}
{{{14y=42}}}
{{{y=3}}}
Then use either equation to solve for {{{x}}}.
{{{x+9=9}}}
{{{x=0}}}