Step One Add (- In [A].) to both sides of the equation: In[A] - In (Al. = -kt + In [A]. - In [A]. This results in: (In[A] - In [A]) = -kt Step Two Multiply both sides of the equation by the same expression: (Be sure that the answer field changes from light yellow to dark yellow before releasing your answer:) * (In[A] - In [A]) = X(-kt) his Drag and drop your selection from the following list to complete the answer: 1 k 1 - k k Submit Submit Answer Retry Entire Group 7 more group attempts remaining Activated Going Previous