1.

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\[b\ne 3\]
Answer» E.


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