Question

answer this question very important​

Answer 1

Answer:

9

Step-by-step explanation:

(15)^4x-8=1

move all terms to the left:

(15)^4x-8-(1)=0

add all the numbers together, and all the variables

15^4x-9=0

move all terms containing x to the left, all other terms to the right

15^4x=9

x=9/1

x=9

Answer 2

Answer:

$(15)^{4x - 8} = 1 \\then \: \: \: \\ {4x = 8} \\ {x = \frac{8}{4} } \\{x = 2} \\ now \: \: \: \: x = 2...(i) \\ (15)^{4 \times 2 - 8} = 1 \\ (15)^{8 - 8} = 1 \\ (15)^{0} = 1 \\ 1 = 1 \\ = \frac{1}{1} \\ or \: \: \: \: \: \: = 1 \: \: \: answer$

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