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13-05-2017
Mathematics

contestada

What is the solution to the equation 7^3x=9?

0.376
0.295
-0.295
-0.376

Respuesta :

13-05-2017

7^(3x)=9 take the natural log of both sides

3xln7=ln9 divide both sides by 3ln7

x=ln9/(3ln7)

x≈0.376

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