nsuitaly nsuitaly

26-06-2020
Mathematics

contestada

for what vaule of x does 4^x =(1/8)^x-5.
-15
-3
3
15

Respuesta :

osikbro osikbro

26-06-2020

Answer:

3

Step-by-step explanation:

[tex]4^x=(1/8)^{x-5} \\\\\\(2^2)^x=(2^{-3})^{x-5} \\\\\\2^{2x}=2^{-3x+15} \\\\\\2x=-3x+15 \\\\\\5x=15 \\\\\\x=3[/tex]

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