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Popular >

3^{2x+1}=81

Solution

3^{2 x + 1} = 81

Solution

x = \frac{3}{2}

+1

Decimal Notation

x = 1.5

Solution steps

3^{2 x + 1} = 81

Apply exponent rules

2 x + 1 = 4

Solve

2 x + 1 = 4 : x = \frac{3}{2}

x = \frac{3}{2}

Popular Examples

30 \cdot 3^{x} = 180

e^{2 x - 4} = 1

e^{-3x}-3e^{-3x}x=0

e^{- 3 x} - 3 e^{- 3 x} x = 0

12 8^{x} = 25 6^{x}

solvefor y, 1/(2^{-3)}=x^y solve for

y, \frac{1}{2 ^{- 3}} = x^{y}

Frequently Asked Questions (FAQ)

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