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Question Number 204373 by esmaeil last updated on 14/Feb/24

$$3^x-2^x=65$$$$x=?$$

Answered by Frix last updated on 14/Feb/24

$$\mathrm{Obviously}x=4$$$$81-16=65$$

Commented by esmaeil last updated on 15/Feb/24

$$solution?$$

Commented by Frix last updated on 15/Feb/24

$$\mathrm{No}\mathrm{method}.\mathrm{If}{\mathrm{it}}^{\prime }\mathrm{s}\mathrm{not}\mathrm{obvious}\mathrm{you}\mathrm{can}\mathrm{only}$$$$\mathrm{approximate}.$$

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