Question 881339
{{{x - 2y = -4}}}
{{{2x - y = 1}}}
From eq. 1,
{{{x=2y-4}}}
Substitute into eq. 2,
{{{2(2y-4)-y=1}}}
{{{4y-8-y=1}}}
{{{3y=9}}}
{{{y=3}}}
Then,
{{{x=2(3)-4}}}
{{{x=6-4}}}
{{{x=2}}}