markisicsanel55 markisicsanel55
  • 02-04-2020
  • Mathematics
contestada

Determine the solution to the exponential equation 8^x +1 = 2^x - 5. Explain how
you know that the value you obtain is the solution to the equation.

Respuesta :

ghanami
ghanami ghanami
  • 02-04-2020

Answer:

x=-4

Step-by-step explanation:

hello :

8=2^3    so : 8^x=(2^3)^(x+1) = 2^(3x+3)

8^(x +1) = 2^(x - 5)  means : 2^(3x+3) = 2^(x - 5)

3x+3 = x -5

2x = -8

x=-4

Answer Link

Otras preguntas

What sparked off Shays''s Rebellion? unemployment high taxes and foreclosures currency devaluation high farm tariffs
8+0=8 what property is that??
Which is an example of the associative property? A. –(18 + 3) = –18 + (–3) B. –17 + 0 = –17 C. (–8 + 10) + 4. = –8 + (10 + 4) D. –5 + 7 = 7 + (–5)
4 = -0.8n do to solve
What is the definition of a map legend
The difference between 3 times x and 4
Aiden walked 1/8 of a mile in 1/16 of an hour. Compute the unit rate as the complex fraction.
What are the solutions to the equation x² = 625? Choose all answers that are correct. A. –312.5 B. –25 C. 25 D. 312.5
why is the weather mostly warm and sunny in the southeast
Which best describes the way historians consider letters and journals?