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26-06-2019
Mathematics

contestada

What value of x is in the solution set of 9(2x + 1) < 9x – 18?

–4
–3
–2
–1

Respuesta :

08-07-2019

Answer:

-4

Step-by-step explanation:

[tex]9(2x+1)<9x-18\qquad\text{divide both sides by 9}\\\\2x+1<x-2\qquad\text{subtract 1 from both sides}\\\\2x<x-3\qquad\text{subtract}\ x\ \text{from both sides}\\\\x<-3\\\\-4<-3[/tex]

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