Question 113421
{{{ graph( 300, 300, -5, 5, -5, 5, 6-3x, 3x) }}} 
Looks like the solution is (1,3)
Check your answer in both equations.
{{{3x+y=6}}}
{{{3(1)+y=6}}}
{{{y=3}}}
{{{3x-y=0}}}
{{{3(1)-y=0}}}
{{{y=3}}}
The answer checks out for both equations.
The intersection point is (1,3).