en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

3\times 9^x=81

Solution

3 \cdot 9^{x} = 81

Solution

x = \frac{3}{2}

+1

Decimal Notation

x = 1.5

Solution steps

3 \cdot 9^{x} = 81

Divide both sides by

3

9^{x} = 27

Apply exponent rules

2 x = 3

Solve

2 x = 3 : x = \frac{3}{2}

x = \frac{3}{2}

Popular Examples

3^{5 x^{2}} = 9^{x}

solvefor y,e^{-x^2-y^2}=0 solve for

y, e^{- x^{2} - y^{2}} = 0

(e^4)^x+4(e^2)^x-21=0

(e^{4})^{x} + 4 (e^{2})^{x} - 21 = 0

6^{x+1}+6^{x+2}=7

6^{x + 1} + 6^{x + 2} = 7

9^{1 - x} = 16

Frequently Asked Questions (FAQ)

What is the answer to 3\times 9^x=81 ?
The answer to 3\times 9^x=81 is x= 3/2
Solve for x: 3\times 9^x=81
The solution is x= 3/2