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If 3^x-2 = 81, what is the value of 2^2x-7?​

If 3^x-2 = 81, what is the value of 2^2x-7?​
asked 222k views
4 votes
If 3^x-2 = 81, what is the value of 2^2x-7?​

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User Pewi
by
7.9k points

1 Answer

4 votes

Answer:

32

Step-by-step explanation:

3^(x-2) = 81 = 3^4

so x - 2 = 4

x = 6

2^(2x-7) = 2^(2*6-7) = 2^5 = 32

answered
User Kdubs
by
9.4k points
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