Gladys32 Gladys32
  • 04-06-2020
  • Mathematics
contestada

The sum of one-half a number and 7 is twice the number minus 5.What is that number?

Respuesta :

JDOH19283
JDOH19283 JDOH19283
  • 04-06-2020

Answer:

N/2 + 7 = 2N - 5

N + 14 = 4N - 10

24 = 3N

N = 8

Answer Link
mkarikari1850
mkarikari1850 mkarikari1850
  • 04-06-2020

Answer:

1/2n + 7 = 2n - 5

2 · 1/2n + 7 · 2 = 2n · 2 - 5 · 2

n + 14 = 4n - 10

n - n + 14 = 4n - n - 10

14 = 3n - 10

14 + 10 = 3n - 10 + 10

24 = 3n

24 / 3 = 3n / 3

n = 8

Step-by-step explanation:

Answer Link

Otras preguntas

¿Cuáles son los países más desarrollados del mundo y por qué?
Find the surface area of this cylinder. Round to the nearest tenth. p= 5 cm 5 cm SA = [ ? ] cm?
what is a abscisic acid​
Blank, not George Washington, became the first president to live in the White House in blank.
a lot of dancers go to Rio de Janeiro to the Carnival
Find the product. Express answer in standard form. (x – - 4)(3x² + 4x – 4)
Which of the following statement is correct for mental health? * 1 point • This aspects of health focuses on the perfect body structure and proper functions of
we were driving …….......... the city centre when we had an accident.​
what is the subject in the sentence "It is a steel cylinder a hundred feet long"
PUT THESE ANSWERS ON THE RIGHT SIDE OF THE SCANTRON) 1. ENTR MEANS _______ 2. AMYLO MEANS _______ 3. ______ MEANS LIVER 4. ______ MEANS STOMACH​