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

n - 6.47 = 4.32 What does "n" stand for?
What number would need to be added to this expressions to make it a perfect square trinomial? x^2-2x 2 1 - 1 - 2
Subtract. (5z−3)−(3z−8) Enter your answer in the box.
When setting a fitness goal, it's best to increase frequency and intensity in the first week to avoid burn out. Please select the best answer from the choice
5.1 divided by 11.73
Why did the steam engines contribute to the air pollution in the 19th century?
What changes did Ceaser make to the Roman government that caused his death? 5-10 sentences please
What does it mean when your tendon raises up in your arm?
Order the following masses from least to greatest: 500 g, 50 kg, 5000 mg
What is photosynthesis?