Question 398545
8x-10y=7
-10y=-8x+7
y=-8x/-10+7/-10
y=4x/5-7/10 (red line)
4x-5y=7
-5y=-4x+7
y=-4x/-5+7/-5
y=4x/5-7/5 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, 4x/5 -7/10, 4x/5 -7/5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 4x/5 -7/10  and 4x/5 -7/5).