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

In the 1600s, Virginia attracted many colonists because of...
The United States Highway System is a _____________ in the United States numbered within a nationwide grid.
the main idea of nullification was that
In a contraction, the apostrophe should always be placed A. just before the last letter. B. immediately after the last letter. C. between the first word and the
can you ever use a calculator to determine if a number is rational or irrational
In which one of these sentences does an adverb modify a verb? A. The dress was terribly old. B. Jacob was a very smart boy. C. Mr. Dodge moved in an extremely s
How did the success of Portugal's exploration of Africa affect Spain
what is sum of 5/8 + 5/8
why do historians need archaeologists and anthropologists to study prehistory
why do historians need archaeologists and anthropologists to study prehistory