Question 882922
Multiply the first equation by 2 and subtract from the second.
{{{4x+2y-4x-8y=-2-16}}}
{{{-6y=-18}}}
{{{y=3}}}
Then use either equation to solve for {{{x}}}
{{{2x+12=8}}}
{{{2x=-4}}}
{{{x=-2}}}