Question

[5/4]^-x/[5/4]^-4 = [5/4]^5

Answer 1

Answer:

-9

Step-by-step explanation:

[5/4]^-x/[5/4]^-4 = [5/4]^5

[5/4]^ (-x-4)          = [5/4]^5

    base are same

-x -4                     =  5

-x                         =  5 +4

-x                         =  9

  x                       = - 9  

 

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Answer 2

Answer:

-9

Step-by-step explanation:

[5/4]^-x/[5/4]^-4 = [5/4]^5

[5/4]^ (-x-4)          = [5/4]^5

    base are same

-x -4                     =  5

-x                         =  5 +4

-x                         =  9

  x                       = - 9