Question 166110
x+3y=15
3y=-x+15
y=-x/3+15/3
y=-x/3+5
m=-1/3 & b=5
{{{ graph( 300, 200, -6, 20, -10, 10, -x/3 +5) }}} (graph 300x200 pixels, x from -6 to 20, y from -10 to 10, -x/3 +5).