Question 1002707
From eq. 1,
{{{x=-6y+9}}}
Substituting into eq. 2,
{{{2(-6y+9)+5y=4}}}
{{{-12y+18+5y=4}}}
{{{-7y=-14}}}
{{{y=2}}}
Then,
{{{x=-6(2)+9}}}
{{{x=-12+9}}}
{{{x=-3}}}