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Marina CMI [18]
3 years ago
5

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

Mathematics
1 answer:
Reil [10]3 years ago
8 0

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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Answer:

First number = 4

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Step-by-step explanation:

If the first number = x, the second number = x + 5.

The calculation can be expressed as follows:

x + 2(x + 5) = 22

First, expand the bracket 2(x + 5):

x + 2x + 10 = 22

Combine like terms:

3x + 10 = 22

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5 0
1 year ago
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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