Question 725990
7x+5y=-3
5Y=-7X-3
Y=-7X/5-3/5 RED LINE. 
-9x+y=-11
Y=9X-11 GREEN LINE.
{{{ graph( 300,300, -4, 4, -4, 4, -7x/5 -3/5, 9x -11) }}}
ANSWER (-2,1)