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Popular >

27^{x-1}=81

Solution

2 7^{x - 1} = 81

Solution

x = \frac{7}{3}

+1

Decimal Notation

x = 2.33333 \dots

Solution steps

2 7^{x - 1} = 81

Apply exponent rules

3 (x - 1) = 4

Solve

3 (x - 1) = 4 : x = \frac{7}{3}

x = \frac{7}{3}

Popular Examples

120e^{0.035t}=330e^{-0.005t}

120 e^{0.035 t} = 330 e^{- 0.005 t}

solvefor x,8y=3e^x solve for

x, 8 y = 3 e^{x}

5^{x+3}=25^{2x}

5^{x + 3} = 2 5^{2 x}

e^{(2 x + 3)} = 37

8(2^{2x})+31(2^x)-4=0

8 (2^{2 x}) + 31 (2^{x}) - 4 = 0

Frequently Asked Questions (FAQ)

What is the answer to 27^{x-1}=81 ?
The answer to 27^{x-1}=81 is x= 7/3
Solve for x: 27^{x-1}=81
The solution is x= 7/3