Question 29602
Solve by graphing:
{{{y = 3x}}} and
{{{4x+2y = 30}}} Rewrite as: {{{y = -2x+15}}} then graph:

Here are the graphs:
{{{graph(300,200,-5,10,-5,15,3x,(-2x+15))}}}

The answer is: There is only one solution and it's (3, 9)