Question 43798
3x - y = 9
-y = -3x + 9
y = 3x - 9
and
2y = 6x - 8
y = 3x - 4
The slopes are the same, but the y-intercepts are different. The lines are parallel. No solutions exist.
{{{ graph( 600, 600, -10, 10, -10, 10, 3x - 9, 3x - 4 ) }}}