carlyjade0413 carlyjade0413
  • 09-12-2019
  • Mathematics
contestada

2n + 5 = n - 7

Solution: ?

Respuesta :

gmany
gmany gmany
  • 09-12-2019

Answer:

n = -12

Step-by-step explanation:

2n + 5 = n - 7          subtract 5 from both sides

2n + 5 - 5 = n - 7 - 5

2n = n - 12          subtract n from both sides

2n - n = n - n - 12

n = -12

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