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Popular >

3^{2x-7}=81

Solution

3^{2 x - 7} = 81

Solution

x = \frac{11}{2}

+1

Decimal Notation

x = 5.5

Solution steps

3^{2 x - 7} = 81

Apply exponent rules

2 x - 7 = 4

Solve

2 x - 7 = 4 : x = \frac{11}{2}

x = \frac{11}{2}

Popular Examples

8^{- x} = 1.2

e^{3 k} = 27

16*4^{x-4}=9^{2x-3}

16 \cdot 4^{x - 4} = 9^{2 x - 3}

5^{x} = 3^{x + 1}

solvefor x,A^x=BC solve for

x, A^{x} = BC

Frequently Asked Questions (FAQ)

What is the answer to 3^{2x-7}=81 ?
The answer to 3^{2x-7}=81 is x= 11/2
Solve for x: 3^{2x-7}=81
The solution is x= 11/2