ccrunner000
ccrunner000 ccrunner000
  • 11-03-2020
  • Mathematics
contestada

Find the student’s error in solving the following inequality.
31 < –5x + 6
25 < –5x
–5 < x

Respuesta :

shilpa85475 shilpa85475
  • 17-03-2020

Student's error is –5 < x.

Solution:

Step 1: Given inequality

31 < –5x + 6

Step 2: Subtract 6 from both sides of the inequality.

31 – 6 < –5x + 6 – 6

25 < –5x

Step 3: Multiply both sides by –1 to reverse the inequality.

25 × (–1) > –5x × (–1)

–25 > 5x

Step 4: Divide by 5 on both sides.

–5 > x

The correct answer is –5 > x.

Student's error is –5 < x.

Answer Link

Otras preguntas

Please Hurry! Which of these time periods was last? Civil War era, age of Jackson, persecution era, abolition movement?
What stories did the third- and fourth-century Roman frescoes picture?
How did segregation affect Martin Luther King Jr.
A sequence is defined recursively using the formula f(n + 1) = f(n) – 5 . Which sequence could be generated using this formula? 1, –5, 25, –125, ... 2, 10, 50,
How to calculate probability
Stacy placed an order for 4 2/5 sacks of brown lentils and 1 sack of green lentils. How much more brown lentils did Stacy order?
-2/5 x < 2What is x and how did you get it?what it is doesn't matter anymore but please tell me how to get it
The atomic mass unit is a unit used to represent the ____ of an atom
Conversion: The weather report this morning stated there is a thick fog in your town. Visibility is less than 500 feet. How many kilome-ters in front of your ve
How do you murder someone and get away with it ?