question_answer

If \[a\] and \[b\] are real numbers, when does the equation \[3x-5+a=bx+1\] has a unique solution\[x\]?

A)  for all \[a\] and \[b\]      

B)  no root

C)                     if\[a\ne 6\]        

D)         if\[b\ne 3\]