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Find the positive solution of the equation.

3x^((9)/(8))+24=5859399
Answer:

Find the positive solution of the equation.\newline3x98+24=5859399 3 x^{\frac{9}{8}}+24=5859399 \newlineAnswer:

Full solution

Q. Find the positive solution of the equation.\newline3x98+24=5859399 3 x^{\frac{9}{8}}+24=5859399 \newlineAnswer:
  1. Isolate variable term: Isolate the term with the variable.\newlineSubtract 2424 from both sides of the equation to isolate the term with the variable xx.\newline3x98+2424=5859399243x^{\frac{9}{8}} + 24 - 24 = 5859399 - 24\newline3x98=58593753x^{\frac{9}{8}} = 5859375
  2. Divide by 33: Divide both sides by 33 to solve for x98x^{\frac{9}{8}}.\newline3x983=58593753\frac{3x^{\frac{9}{8}}}{3} = \frac{5859375}{3}\newlinex98=1953125x^{\frac{9}{8}} = 1953125
  3. Recognize power of 55: Recognize that 19531251953125 is a power of 55.\newline1953125=591953125 = 5^9
  4. Set equal and solve: Set the expression equal to 595^9 and solve for xx.\newlineSince x98=59x^{\frac{9}{8}} = 5^9, we can now find xx by taking both sides to the power of 89\frac{8}{9}.\newline(x98)89=(59)89(x^{\frac{9}{8}})^{\frac{8}{9}} = (5^9)^{\frac{8}{9}}\newlinex=58x = 5^8
  5. Calculate power of 55: Calculate 585^8.\newline58=3906255^8 = 390625

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