Question 161766
4x+5y=22
If this is a line equation? Then:
5y=-4x+22
y=-4x/5+22/5 
{{{ graph( 300, 200, -6, 5, -10, 10, -4x/5 +22/5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -4x/5 +22/5).