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1 Answer

You want to solve (4x-1)^=343.

I'm guessing here that that expression should be: 

(4x-1)^n=343

where n is some value.

And since 343 = 7^3, I'm going to guess further that the original expression should have been:

(4x-1)^3=343

So, what we have is,

(4x-1)^3=7^3, or

(4x-1) = 7

4x = 8

x = 2

Answer: x = 2

by Level 11 User (80.9k points)

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