manuelguadiana09 manuelguadiana09
  • 14-05-2020
  • Mathematics
contestada

log 10(x + 3) – log 10(x-3) = 1

Respuesta :

Chelboy
Chelboy Chelboy
  • 17-05-2020

Answer:33/9

Step-by-step explanation:

Log10(x+3)-Log10(x-3)=1

Log10((x+3)/(x-3))=1

(x+3)/(x-3)=10^1

(x+3)/(x-3)=10

Cross multiply

x+3=10(x-3)

Open brackets

x+3=10x-30

Collect like terms

10x-x=30+3

9x=33

Divide both sides by 9

9x/9=33/9

x=33/9

Answer Link

Otras preguntas

what is the closest side lenght of this square area=111 square units​
please solve thank you ​
Carbohydrates are an example of a biological macromolecule. The structure of a biological macromolecule affects the function. Identify the type of chemical bond
The breadth of a rectangle is 4 units less than its length. If the perimeter of the rectangle is 20 units, write a pair of linear equations to model the above s
evaluate each expression below
Digits to write five hundred seven billion,six hundred forty million,seven hundred forty-two thousand,seventy two
Hi! plz help mee plz look photo help asap i will give brainliest
A picture on a map that shows the four Cardinal Directions and the four Intermediate Directions is called a:w
You are setting out snacks for some friends to come over. You have 18 crackers and 12 slices of cheese. If you want each plate to be identical, with no food lef
What should the equations look like for each number? 17-20