Question 278157
6x-y=11
-y=-6x+11
y=6x-11 (red line)
6x+7y=-29
7y=-6x-29
y=-6x/7-29/7 (green line)
{{{ graph( 300, 200, -6, 5, -10, 15, -6x +11, -6x/7 -29/7) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 15, of TWO functions -6x +11 and -6x/7 -29/7). 
Intercept=(53/18,20/3) or (2.9444,6.666)
These two lines are INTERSECTING LINES.