Question 57021
First, solve both equations for y and get {{{y=-expr(5/3)x-expr(10/3)}}} and {{{y=-expr(5/3)x-expr(6/5)}}}.  Create some ordered pairs, draw the lines, and see where they intersect -- the point of intersection is the solution.  If the lines are parallel (they have the same slope, but different y-intercepts), there is no solution, which is the case here.  If the lines are the same, there is an infinite solution.  The graph is:
{{{graph(200,200,-5,5,-5,5,-5x/3-10/3,-5x/3-6/5)}}}