Question Number 74196 by kennethalli last updated on 20/Nov/19
$${solve}\:{for}\:{x}: \\ $$$$\mathrm{4}^{{x}} +\mathrm{6}^{{x}} =\mathrm{9}^{{x}} \\ $$
Commented by MJS last updated on 20/Nov/19
$$\mathrm{see}\:\mathrm{question}\:\mathrm{74168} \\ $$