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

which of the following statements about rest and physical is not true
Jamie lost 27 pounds in 1 year . on avarage how many pounds did jamie lose per month
is it possible to draw a triangle with angles 150°, 10° and 10°
The only haploid cells in an organism are _____. parent cells gametes homologous
Why were Japanese Americans in Hawaii not forced to go to internment camps?
Julian counted the number of times he drove across the Seven Mile Bridge while vacationing in the Florida keys. He crossed the bridge 34 times. How many miles i
Where and when did the French language start and end?
What does y=x+5 mean to do in a graph ?
Peter and John went shopping and spent money in the ratio 2:3 if peter spent 500 dollars, how much did john spent
What does n equal in algebra ?