takemetoouterspace takemetoouterspace

18-10-2017
Mathematics

contestada

What is the solution of |2x+7|>27?

A) x<-10 or x>10
B) x<-17 or x>10
C) x<-34 or x>20
D) x>-17 or x<10

Respuesta :

taniaorozco taniaorozco

18-10-2017

|2x + 7| > 27

break down into two equations;

2x + 7 > 27 -(2x + 7) > 27

2x + 7 > 27 -2x - 7 > 27

2x > 27 - 7 -2x > 27 + 7

2x > 20 -2x > 34

x > 10 x < -17

hope that helps, God bless!

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