makaylaberlinger
makaylaberlinger makaylaberlinger
  • 15-09-2021
  • Mathematics
contestada

again for grade! asap! -3n - 5 + 4n + 19 = 7

Respuesta :

achadwickschool achadwickschool
  • 15-09-2021

Answer:

n = -7

Step-by-step explanation:

-3n - 5 + 4n + 19 = 7

First combine all like terms

(-3n + 4n) + ( -5 + 19) = 7

n + 14 = 7

Subtract 14 from both sides

n = -7

Plug in to double check the answer

(-7) + 14 = 7

7 = 7

or

-3(-7) - 5 + 4(-7) + 19 = 7

21 - 5 - 28 + 19 = 7

7 = 7

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