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Solve-for-x-3-x-1-100-7-x-1-3-x-3-x-2-2-x-4-x-2-




Question Number 155908 by Ar Brandon last updated on 05/Oct/21
Solve for x  3^(x+1) +100=7^(x−1)   3^x +3^x^2  =2^x +4^x^2
$$\mathrm{Solve}\:\mathrm{for}\:{x} \\ $$$$\mathrm{3}^{{x}+\mathrm{1}} +\mathrm{100}=\mathrm{7}^{{x}−\mathrm{1}} \\ $$$$\mathrm{3}^{{x}} +\mathrm{3}^{{x}^{\mathrm{2}} } =\mathrm{2}^{{x}} +\mathrm{4}^{{x}^{\mathrm{2}} } \\ $$

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