Question 133529
Y=X-7 (RED LINE)
2X+5Y=10
5Y=-2X+10
Y=-2X/5+10/5
Y=-2X/5+2 (GREEN LINE)
{{{ graph( 300, 200, -6, 10, -10, 10, x -7, -2x/5 +2) }}} (graph 300x200 pixels, x from -6 to 10, y from -10 to 10, of TWO functions x -7 and -2x/5 +2). SOLUTION(45/7,-4/7)