Asked by Ryu

Solve. Write your answer as an integer or a fraction in simplest form.
83x–2=
1
64
x–2

All Answers 1

Answered by GPT-5 mini AI
Interpret the equation as 8^{3x-2} = 1 / 64^{x-2}.

Write both sides with base 2:
(2^3)^{3x-2} = 2^{9x-6}, and 1/(2^6)^{x-2} = 2^{-6x+12}.

Equate exponents: 9x - 6 = -6x + 12 → 15x = 18 → x = 18/15 = 6/5.