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Simplify 7^3x –2 = 2401 find value of x

Question 1:

Simplify 7^3x –2 = 2401 find value of x

A. 8

B. 6

C. 4

D. 2

Feedback 7^3x –2 = 7^4
So 3x – 2 = 4
x = 2

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