itsnayomi6
itsnayomi6 itsnayomi6
  • 10-08-2021
  • Mathematics
contestada

Twice the difference between a number and 4 is twenty. Find the number.
А. 8
B. 9
C. 12
D. 14

Please help!!!

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 10-08-2021

Answer:

D 14

Step-by-step explanation:

Let x be the number

2(x-4) = 20

Divide each side by 2

2/2(x-4) = 20/2

x-4 = 10

Add 4 to each side

x-4+4 = 10+4

x = 14

Answer Link
homeworkhelper272
homeworkhelper272 homeworkhelper272
  • 10-08-2021

Answer:

The number is 14

Step-by-step explanation:

Let's call this unknown number of x:

2×(x – 4) = 20

2x – 8 = 20

2x = 20 + 8

2x = 28

x = 28/2

x = 14

Answer Link

Otras preguntas

Which of the following is the solution set of x2 + 8x + 12 = 0? (-2.-6 2.6
The deck that Amos is building is in the shape of a parallelogram, DGRY. The measure of
Why does it say We're sorry, but we are not able to complete your registration at this time. I need for my grades
Where are Animal Rights prioritized the most?
A Circle is shown below. What is the Area of the circle? * SOMEONE PLEASE HELPP
Solve for k: 17/3k - 2 = 4/3(4k + 2)
Write a equation that represents the situation
what is the area of the square shown below? a9ft .b9ft2. c12ft. d.12ft2
Send me a image of muffet from undertale with a short hairstyle or a mohawk
A regular polygon fist maps directly onto itself after rotating 120 degrees. How many sides does the polygon have?