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

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