Question 69087
x-2y=4 -2y=-x+4 y=-x/-2+4/-2  y=x/2-2
x=4
{{{ graph( 300, 200, -6, 5, -10, 10, x = 4, y = x/2 -2) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions x = 4 and y = x/2 -2).