Question 277820
y=(3/4)x+1 (red line)
y=-(1/2)x-4 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, 3x/4 +1, -x/2 -4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x/4 +1 and -x/2 -4). 
Intersection (-4,-2).