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

How many molecules of water are in 3.8 moles of water?
WILL GIVE BRAINLIEST ‼️5x^2+22x+8 PLEASE SHOW WORK :)
Given parallelogram ABCD, find x and m< B
Kites: Birds of GloryAs a rule, raptors, or birds of prey, are among the most admired and adored birds in the world. From the California condor to the snowy owl
Seven ounces of pretzels are put into each bag. How many bags can be made from 20 ¾ pounds of pretzels? Please help
5a. Lyme disease bacteria reproduce by dividing in two. These bacteria can reproduce inside black-legged ticks and inside white-footed mice or other mammal host
Please help me Look at the image
Write a first person narrative using the words: apple, train, hippopotamus, banjo, Nintendo 64.
Complétez avec les articles partitifs ou définis : 1. J’adore ___ fromage. 2. Mon frère boit toujours ___ jus d’orange au petit-déjeuner. 3. Je bois ___ eau min
ENGLISHPls paki answer po. Hindi ko po kc alam. I need it ASAP​