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

Given question is in attachment

Silver, gold, platinum, are ferrous metals. TRUE OR FALSE

16. In a straight contest, the loser polled 42% votes and lost by 14400 votes. Find the total number of votes polled. If the total number of eligible voters was

Khloe goes out to lunch. The bill, before tax and tip, was $13.20. A sales tax of 4% was added on. Khloe tipped 12% on the amount after the sales tax was added.

WILL GIVE BRAINLIEST IF ANSWERED FAST!!!

2.1 Study the ecosystem below and answer the questions which follow. thrush 2.1.1 2.1.2 2.1.3 hawk caterpillar rabbit ** grass fox squirrel mushrooms weasel mou

A firm has net income of $51,400, depreciation of $32,000 and taxes of $23,000. What is the firm's operating cash flow?

Tulips can be reproduced asexually from bulbs or be grown from seeds, though starting from seed takes 7 to 10 years to cultivate a mature plant and bulbs. How d

The perimeter of a rectangle is 80x. The base is two times the height. In terms of x what are the dimensions of the rectangle

Being an entrepreneur comes with vario the personal benefits of entrepreneurship derstanding the