aliwilson0717
aliwilson0717 aliwilson0717
  • 18-09-2020
  • Mathematics
contestada

Given n=−12.

Which equation is true?


A) −31+2n=−55

B) n/3+42=−38

C) n/4+5.5=8.5

D) 3n−10=−36

Respuesta :

jjakemosley649
jjakemosley649 jjakemosley649
  • 18-09-2020

Answer:

A) −31+2n=−55

Step-by-step explanation:

2n−31=−55

2n−31+31=−55+31

2n=−24

2n over 2=-24 over 2

n=-12

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