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Find the positive solution of the equation.

8x^((8)/(5))-22=52466
Answer:

Find the positive solution of the equation.\newline8x8522=52466 8 x^{\frac{8}{5}}-22=52466 \newlineAnswer:

Full solution

Q. Find the positive solution of the equation.\newline8x8522=52466 8 x^{\frac{8}{5}}-22=52466 \newlineAnswer:
  1. Add 2222 to isolate variable: Add 2222 to both sides of the equation to isolate the term with the variable on one side.\newline8x8522+22=52466+228x^{\frac{8}{5}} - 22 + 22 = 52466 + 22\newline8x85=524888x^{\frac{8}{5}} = 52488
  2. Divide by 88: Divide both sides of the equation by 88 to solve for x85x^{\frac{8}{5}}.\newline8x858=524888\frac{8x^{\frac{8}{5}}}{8} = \frac{52488}{8}\newlinex85=6561x^{\frac{8}{5}} = 6561
  3. Recognize power of 33: Recognize that 65616561 is a power of 33. Specifically, 6561=386561 = 3^8.\newlinex85=38x^{\frac{8}{5}} = 3^8
  4. Take fifth root: Take the fifth root of both sides of the equation to solve for x8558x^{\frac{8}{5} \cdot \frac{5}{8}}.\newline(x85)58=(38)58\left(x^{\frac{8}{5}}\right)^{\frac{5}{8}} = \left(3^8\right)^{\frac{5}{8}}\newlinex=35x = 3^5
  5. Calculate x value: Calculate 353^5 to find the value of x.\newline35=3×3×3×3×33^5 = 3 \times 3 \times 3 \times 3 \times 3\newline35=2433^5 = 243

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