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Popular >

9*27^{2x-4}=81

Solution

9 \cdot 2 7^{2 x - 4} = 81

Solution

x = \frac{7}{3}

+1

Solution steps

9 \cdot 2 7^{2 x - 4} = 81

Divide both sides by

9

2 7^{2 x - 4} = 9

Apply exponent rules

3 (2 x - 4) = 2

Solve

3 (2 x - 4) = 2 : x = \frac{7}{3}

x = \frac{7}{3}

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A (t) = 30 e^{(0.02) t}

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8^{2 x - 1} = 15

(\frac{1}{5})^{x} = \frac{1}{25}

(7^2)^9=(7^3)^x

(7^{2})^{9} = (7^{3})^{x}

Frequently Asked Questions (FAQ)

What is the answer to 9*27^{2x-4}=81 ?
The answer to 9*27^{2x-4}=81 is x= 7/3
Solve for x: 9*27^{2x-4}=81
The solution is x= 7/3