Question 877222
From the second equation,
{{{2y=-x}}}
{{{x=-2y}}}
Substitute into the first equation,
{{{y=2(-2y)+1}}}
{{{y=-4y+1}}}
{{{5y=1}}}
{{{y=1/5}}}
Then,
{{{x=-2(1/5)}}}
{{{x=-2/5}}}