Let log(4-x)= a and log(x + 1/2)=b Above equation becomes a2 + ab – 2b2 = a2 + 2ab- ab – 2b2 = a( a + 2b) – b(a +2b) = (a-b)(a+2b) a=b or a= -2b Put values and you can solve easily. If there is any problem in that, reply on this thread.

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