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siniylev [52]
3 years ago
15

Solve for the problem 13^3x-1=91

Mathematics
1 answer:
gogolik [260]3 years ago
7 0

Answer:

{13}^{3} x - 1 = 91 \\  {13}^{3}x = 91 - 1 \\  {13}^{3}x   = 90 \\  2,197x = 90 \\  \frac{2197x}{2197}  =  \frac{90}{2197}  \\ x = 0.04

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