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

please help me on the question​
James I dismissed the Parliament. Which of the following was a result of this action? (4 points)
How much higher is the normal potassium concentration inside the cell compared to outside the cell?
Select the correct answer. Should the highlighted word begin with a capital letter? Joe asked, "Is there any work I can do?" OA. Yes ОВ. No
Work out the speed in miles per hour at which colin drives home
A machine has three components A, B and C. The probability of A working is 7/10. If A is working, the probability of B working is 1/3 . If A is not working, the
if the length of a rectangle is 4 more than the width and if the perimeter 0of rectangle is 52, what is the width of the rectangle
(100 POINTS!!)What is the fraction form of $0.25??A. none of these is correctB. 25/100C. 25/50D. 25/75(ONLY PICK THE OPTIONS HERE!!)
has anyone done this??? i really need help
VERY VERY IMPORTANT QUESTION PLEASE SOLVE IT :-(​