For what values of y does the following equation have no solutions for x? xy + 5y + 4x + 20=1 + 6x + 3y
xy -2x + 2y + 19 = 0
x ( y - 2) = -(2y + 19)
x = (2y -19) / ( 2 - y)
If y = 2 then x is undefined and no solutions exist
