Question 336545
1.{{{4x-4y=-16}}}
2.{{{x-2y=-12}}}
From eq. 2,
{{{x=2y-12}}}
Substitute into eq. 1,
{{{4(2y-12)-4y=-16}}}
{{{8y-48-4y=-16}}}
{{{4y=32}}}
{{{highlight(y=8)}}}
Then from eq. 2,
{{{x=2(8)-12}}}
{{{highlight(x=4)}}}