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

who was put on trial during the inquisition​
Which statement correctly lists the relationships of the measures of the angles of the triangle? A) m ∠ M < m∠T < m∠N B) m ∠ T < m∠M < m∠N C) m ∠
8 + {22 x [15+(14x2)}
What is a theme statement for true love?
(x^(2)-4x+3)(-3x^(2)+7x-1) Multiply Express your answer in simplest form.
When an organism uses chemical energy to produce carbohydrates, the process is called ?
Please help me solve and answer this problem
Where in the Venn diagram would play the term seed seed when describing plant reproduction
A Turbine is an example of which of the following ?
May anyone help?? I’m desperate.