Question 61820
Solve both equations for y and get {{{y=3x-1}}} for the first one and {{{y=expr(2/3)x-expr(10/3)}}} for the second.  The graph follows and the lines intersect at (-1,-4), which is the solution.
{{{graph(200,200,-5,5,-8,2,3x-1,2x/3-10/3)}}}