Question 900707
Multiply the first equation by 2 and add it to the second equation to eliminate {{{y}}}.
{{{2(-3x-y)+4x+2y=2(4)-8}}}
{{{-6x-2y+4x+2y=0}}}
{{{-2x=0}}}
{{{x=0}}}
Now use either equation to solve for {{{y}}}
{{{-3(0)-y=4}}}
{{{-y=4}}}
{{{y=-4}}}