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

pls help me with this...homework due tomorrow

The distance between two notes is called _____________ . a chord an interval melody none of the above

What factors led the wartime alliance between the United States and the Soviet Union to disintegrate into the Cold War?

When water freezes it's density gets lower the change in density is different than that of most substances most substances get denser when they become solid whe

A rectangle has a width of 9 km and a length of 6 km. How does the area change when each dimension is multiplied by 3? A)The area is increased by a factor o

PLEASE HELP!!!! Elliot keeps spreadsheets of the expenses required to keep his stationary store in business. One keeps track of the monthly rent, electric bill,

What are the diseases these immunizations prevent? (This may require further research if you do not understand the words used in the immunization table).

Why is due process such a central notion in American criminal justice

How do you turn fractions into decimals?

Why should you avoid the use of sarcasm, clichés, and idioms in business letters?