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

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 BEST reason to warm up before exercising is to __________. a. prevent injuries b. reduce muscle strain c. improve muscle performance d. all of the above

The Byzantine Empire utilized a weapon called _____.

Which is bigger, 40% of 180 or ¼ of 320?

is 3/4 bigger than 7/8

A typical carbon atom has six protons, six neutrons, and six electrons. Which of these has the least amount of mass? A) one Proton B) one Neutron C) six Electro

How does a supernova occur?

Combine like terms. 9 + 3x – 9x + 16 a. 18x + 3x + 16 b. 19x c. 25 – 6x d. 3x + 16

(3-5i)(2+9i)+(7+2i)(7-2i)

what is a inverse operation { grade 6)

What is the best way to change the sentence below from active voice to passive voice? Presenters give awards to the winners at the elaborate ceremony held every