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Popular >

2^x+2^{x+2}=20

Solution

2^{x} + 2^{x + 2} = 20

Solution

x = 2

Solution steps

2^{x} + 2^{x + 2} = 20

Factor

2^{x} + 2^{x + 2} : 5 \cdot 2^{x}

5 \cdot 2^{x} = 20

Divide both sides by

5

2^{x} = 4

Apply exponent rules

x = 2

Popular Examples

2^{6x+7}=(1/8)^{1-5x}

2^{6 x + 7} = (\frac{1}{8})^{1 - 5 x}

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

4^{x + 1} - 32 = 0

1 2^{x - 1} = 1500

2 \cdot 2^{x} + 4^{x} = 80

Frequently Asked Questions (FAQ)

What is the answer to 2^x+2^{x+2}=20 ?
The answer to 2^x+2^{x+2}=20 is x=2
Solve for x: 2^x+2^{x+2}=20
The solution is x=2