Shortieeee Shortieeee
  • 20-04-2020
  • Mathematics
contestada

What is the answer to -1+|n+7|=10?

Respuesta :

jarquetta jarquetta
  • 21-04-2020

Answer:

-18,4

Step-by-step explanation:

(add one to both sides): |n+7|=11

(subtract 7): n=4

(go back to the equation before and change the sign): |-n-7|=11

(add 7 to both sides): -n=18

(multiply by -1): n=-18

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