Hello, was wondering if anyone could please help me with the following questions as for math I have been given a substitute teacher who is of little help.(adsbygoogle = window.adsbygoogle || []).push({});

Any help would be much appreciated, even if its just pointing me in the right direction

Equation 1:

Log (x-3) = 1 + Log 4 - Log x

Equation 2:

2-4a + 2 x 2-2a - 8 = 0

Equation 3:

Without using calculator, find the value of A that makes x = e^12 / 1-2e^12 a solution of the equation:

ln x - ln (ax+1) = 12

Thanks again Jake

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