Question 42727
First we move everything over to one side of the equal sign so we can get y by itself.
{{{2x-3y=12}}}
{{{-2x  -2x}}}
{{{-3y=-2x+12}}}
{{{-3y/-3=2x/-3+(12/-3)}}}
{{{y=(2/-3)x-4}}}

Graph:

{{{graph(300,300,-15,15,-15,15,(2/-3)x-4)}}}