elizabethmcgruder
elizabethmcgruder elizabethmcgruder
  • 03-02-2021
  • Mathematics
contestada

Andrea
says the solution to the equation 8 + 4 = 2(x – 1) isx=8.

a. Verify is Andrea's solution is correct?

b. How do you know it is correct or not based on what you
did?

Respuesta :

dkantor25
dkantor25 dkantor25
  • 03-02-2021

Answer:

a. Andrea is incorrect

b. By solving for x, we find that x does not equal 8, but it is equal to 7.

Step-by-step explanation:

8+4=2(x-1)

8+4=2x-2

12=2x-2

14=2x

x=7

Answer Link

Otras preguntas

Keshawn is asked to compare and contrast the domain and range for the two functions. f(x) = 5x g(x) = 5x
George, who owns an international grocery store in Ohio, has benefited highly from the trading bloc that allows him to purchase food products from Central Ameri
Animals that regulate their body temperature by producing heat with metabolic reactions are called __________.
Need help with the question at the top Thanks
Ugh like terms. Help
Calculate the product matrix for the following matrix multiplication.
Which region was more industrial in the mid-1800s? A. The Northeast B. The West C. The North D. The South
Which account is credited when a job is completed? finished goods inventory. sales revenue. cost of goods sold. work in process inventory?
What did the FBI find when they searched Ivins' home and office? How did these findings complicate the case?
A scientist studied four rock rock fossils that show evolution of the modern day horse dating back to 35 million years, 15 million years, 8 million years, and 1