en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

4^x+4^{x+1}=20

Solution

4^{x} + 4^{x + 1} = 20

Solution

x = 1

Solution steps

4^{x} + 4^{x + 1} = 20

Factor

4^{x} + 4^{x + 1} : 5 \cdot 4^{x}

5 \cdot 4^{x} = 20

Divide both sides by

5

4^{x} = 4

Apply exponent rules

x = 1

Popular Examples

3 x e^{x} + x^{2} e^{x} = 0

e^{4 x} = 2

2^{5x+3}=3^{2x+1}

2^{5 x + 3} = 3^{2 x + 1}

3^{x} 2^{3 x} = 4

6^{x - 3} = 17

Frequently Asked Questions (FAQ)

What is the answer to 4^x+4^{x+1}=20 ?
The answer to 4^x+4^{x+1}=20 is x=1
Solve for x: 4^x+4^{x+1}=20
The solution is x=1