Question 229236
3X+2Y=8
2y=-3x+8
y=-3x/2+8/2
y=-3x/2+4 (red line)
6X+4Y=16
4y=-6x+16
y=-6x/4+16/4
y=-3x/2+4 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, -3x/2 +4, -3x/2 +4) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -3x/2 +4 and -3x/2 +4).
These 2 lines are identical.