Correct answer:  

Answer by greenestamps(13203)   (Show Source): You can put this solution on YOUR website!
 


Both tutor @mathlover1 and tutor @josgarithmetic pointed out that if log(A) = log(B), then it should be true that A=B.  They both overlooked that fact that A must be equal to B IF A SOLUTION EXISTS.


Tutor @maththerapy is right; there is no solution.  That is because when you set A=B in this equation, you get x = -9/4.  Then the equation says


log(-21/4) = log(-21/4)


But logs of negative numbers do not exist.


So, as tutor @maththerapy says:  NO SOLUTION

 

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