Question 964622
From eq. 1,
{{{x=33-7y}}}
So,
{{{3x=99-21y}}}
Substitute into eq. 2,
{{{99-21y-2y=7}}}
{{{-23y=-92}}}
{{{y=4}}}
Then,
{{{x=33-7(4)}}}
{{{x=33-28}}}
{{{x=5}}}
(5,4)