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Popular >

7^{x+1}-7^x=42

Solution

7^{x + 1} - 7^{x} = 42

Solution

x = 1

Solution steps

7^{x + 1} - 7^{x} = 42

Factor

7^{x + 1} - 7^{x} : 6 \cdot 7^{x}

6 \cdot 7^{x} = 42

Divide both sides by

6

7^{x} = 7

Apply exponent rules

x = 1

Popular Examples

e^{3 - x} = 1

4 9^{m + 1} = 7

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731093 = 525600 e^{0.03 \cdot t}

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

Frequently Asked Questions (FAQ)

What is the answer to 7^{x+1}-7^x=42 ?
The answer to 7^{x+1}-7^x=42 is x=1
Solve for x: 7^{x+1}-7^x=42
The solution is x=1