Question 350850
4x-5y=-20
-5y=-4x-20
y=-4x/-5-20/-5
y=4x/5+4 line equation.
{{{ graph( 300, 200, -6, 5, -10, 10, 4x/5 +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 4x/5 +4).