faranani
faranani faranani
  • 24-03-2021
  • Mathematics
contestada

5^3x - 5^3x-1
[tex] {5}^{3x} - {5}^{3x - 1} = 4[/tex]
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Respuesta :

teresashappell teresashappell
  • 25-03-2021

Answer:

x=1/3

Step-by-step explanation:

Factor out 5^3x

5^3x(1-1/5)=4

Combine the fractions

5^3x(4/5)=4

Multiply both sides by 5/4

5^3x=5

Now we have the same base of 5 so we can set the exponents equal to one another (the exponent of 5 is 1)

3x=1

X=1/3

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