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25-03-2020
Mathematics

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3^3x+1= 81
Solve the exponential function

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wegnerkolmp2741o wegnerkolmp2741o

25-03-2020

Answer:

x=1

Step-by-step explanation:

3^ (3x+1) = 81

Rewrite 81 as a power of 3

3^4

3^ (3x+1) = 3^4

Since the bases are the same, the powers are the same

3x+1 =4

Subtract 1 from each side

3x+1-1 =4-1

3x=3

Divide by 3

3x/3 = 3/3

x =1

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