Question 303088
Do you mean just pick one point?
OK, when x=0.
{{{y/3 + 2=-x}}}
{{{y/3+2=0}}}
{{{y/3=-2}}}
{{{y=-6}}}
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(0,-6) lies on the line. 
{{{drawing(300,300,-8,2,-8,2,grid(1),circle(0,-6,.2), graph( 300, 300, -8, 2, -8, 2, 3*(-x-2))) }}}