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Popular >

27^{2x}= 1/81

Solution

2 7^{2 x} = \frac{1}{81}

Solution

x = - \frac{2}{3}

+1

Decimal Notation

x = - 0.66666 \dots

Solution steps

2 7^{2 x} = \frac{1}{81}

Apply exponent rules

6 x = - 4

Solve

6 x = - 4 : x = - \frac{2}{3}

x = - \frac{2}{3}

Popular Examples

6 4^{x} = 2

625*5^{3x+3}=125

625 \cdot 5^{3 x + 3} = 125

e^{\frac{x}{4}} = 7

10^{x+3}=5e^{7-x}

1 0^{x + 3} = 5 e^{7 - x}

15 \cdot 5^{n} = 53 \cdot 2^{n}

Frequently Asked Questions (FAQ)

What is the answer to 27^{2x}= 1/81 ?
The answer to 27^{2x}= 1/81 is x=-2/3
Solve for x: 27^{2x}= 1/81
The solution is x=-2/3