Question 240838
15x + 9y = –27
9y=-15x-27
y=-15x/9-27/9
y=-5x/3-3 ans. (red line)
Slope=-5/3 y intercept=-3
------------------------
–7x + 6y = 84
6y=7x+84
y=7x/6+84/6
y=7x/6+14 ans. (green line)
x intercept=-12, y intercept=14
-----------------------------------
{{{ graph( 300, 200, -12, 5, -10, 10, -5x/3 -3, 7x/6 +14) }}} (graph 300x200 pixels, x from -12 to 5, y from -10 to 10, of TWO functions -5x/3 -3 and 7x/6 +14).