Question

Solve for x : 9 × 3ˣ = (27)²ˣ⁻⁵

Answer 1

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x is part of the exponent of 3, so express 1/27 in terms of powers of 3:

1/27 = 1/3³ = 3⁻³

3ˣ⁻² = 3⁻³