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

what celebrations do muslims do in the festival of Mawlid???
When did the Dell Inspiron 11 come out?
Why don't scientists use common names to identify organisms?
It was the strength of the opposition forces, both liberal and conservative, rather than the ineptitude and stubbornness of President Wilson that led to the Sen
Can anyone tell me what a math puzzle is there are five question i have to do Which expression has a value of 36, using only four 4s and any of the following: +
True or False? The line "Fainting I follow, I leave off therefore" contains both a caesura and alliteration.
With which of these positions would President Calvin Coolidge have agreed?
Which sentence best describes the word pathos?
Can drinking too much water be bad for you?
How did the efforts of A. Philip Randolph help further civil rights in the United States? He demanded that minorities be allowed to serve in non-segregated unit