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

The sales tax rate is 10% if ruby buys a toaster priced at 34.72 what will be the total cost including tax
Plz help! Due tonight! What does it mean to endorse a candidate? What impact could that have on legislation?
Chaiken and Eagly (1976) reasoned that if a message is difficult to comprehend, persuasion should be greatest when the message is:
7. A bus covers a certain distance in 60 minutes if it runs at a speed of 60 km/hr. What must be the speed of the bus in order to reduce the time of journey by
CAN SOMEONE HELP ME PLEASE ASAP!
What happened when slavery was abolished.
which of the following are you using when you choose a sign based on meaning rather than a direct translation of the word● concept mapping● concept switching ●
An integrated understanding of psychological disorders in terms of three interactive environments is MOST clearly provided by a _____ approach. Please type the
n the sentence "La mala noticia es that está closed" está means: it already it barely it is it was
I need help with this please​