SOLUTION: I am taking an online course- no book available. The question reads: Solve 1/125 = 25^8x-5 Possible answers: a. 1/4 b. 13/16 c. 1/8 d. 7/16

SOLUTION: I am taking an online course- no book available. The question reads: Solve 1/125 = 25^8x-5 Possible answers: a. 1/4 b. 13/16 c. 1/8 d. 7/16

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Question 30949: I am taking an online course- no book available.
The question reads:
Solve 1/125 = 25^8x-5
Possible answers:
a. 1/4
b. 13/16
c. 1/8
d. 7/16

Answer by mukhopadhyay(490) (Show Source): You can put this solution on YOUR website!
1/125 = 25^8x-5
=>(1/5)^3=(5)^2(8x-5)
=>(1/5)^3=(1/5)^2(5-8x)
=>3=2(5-8x)
=>3=10-16x
=>16x=7
=>x=7/16
Answer is d

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