Question 122458
1.{{{y=3}}}
2.{{{y=3x-3}}}
Use equation 1 and substitute in equation 2 to solve for x.
{{{y=3x-3}}}
{{{3=3x-3}}}
{{{6=3x}}}
{{{x=2}}}
You are correct (2,3) is a solution. 
Here it is graphically.
{{{drawing( 300, 300, -5, 5, -5, 5,grid( 1 ),circle(2,3,.2),graph( 300, 300, -5, 5, -5, 5, 3x-3, 3) )}}}