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

Which of the following is an effect of an ankle sprain? A. A decrease in the neural control to muscles that stabilize the patella B. Decreased neural con

The field of _____ is involved in the scientific study of behavior and mental processes.

A painting is covering up some of the tiles on the wall. The tiled wall is shaped like a rectangle . There are 28 square tiles on the whole wall. How many of th

What is riemann integral

What is counsel of prudence

Suppose you throw a rock off a cliff on Earth with an initial horizontal velocity of 3 m/s. Assuming minimal drag and no wind, the horizontal velocity of the ro

Explain what will happen to the working capital of a business if stock increases.

Anna Jonas owns a manufacturing firm in Indonesia and strongly believes that it is important that workers' rights be respected. However, because of the recent

A running back was the MVP (most valuable player) in 0.14 of the first 50 Super Bowls. A. What percent of the MVPs were running backs? % were running backs. B.

Solve the equation: bx-c=ax+d b≠a