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

1 answer:

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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