Question 955375
From eq. 1,
{{{x=-3y+18}}}
Substituting,
{{{8(-3y+18)+4y=24}}}
{{{-24y+144+4y=24}}}
{{{-20y=-120}}}
{{{y=6}}}
Then,
{{{x=-3(6)+18}}}
{{{x=-18+18}}}
{{{x=0}}}