Question 330458
9x-2y<-18
add-9x to both sides
9x-9x-2y<-18-9x
-2y<-18-9x
divide by -2
-2y/-2 >-18/-2 -9x/-2
y>9+9x/2
..
{{{graph(300,200,-6,6,-10,10,9+9x/2)}}}
you have to draw a dotted line and all values above the line are the solutions