<PRE><B>Question 27670</B>
(a) False.  What about quadratic equations?  ax^2 + bx + c = 0


(b) False.  2x + y = -6, If x=-2 and y =6


(c)  False.  x - 3 = 9, If x = 12


I hope that is what you were looking for?</PRE>