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Find x 49^(x+4)=7^(5x-1) A. x=3 B. x=1 C. x=1/3 D. x=9/7
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2 votes
Find x
49^(x+4)=7^(5x-1)
A. x=3
B. x=1
C. x=1/3
D. x=9/7

User Tarandeep Singh
by
8.0k points

1 Answer

5 votes

Answer:

A is the correct answer. x = 3.

Explanation:


{49}^(x + 4) = {7}^(5x - 1)


{7}^(2(x + 4)) = {7}^(5x - 1)


2x + 8 = 5x - 1


3x = 9


x = 3

User Pykiss
by
7.3k points
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