maryb2231 maryb2231

09-08-2018
Mathematics

contestada

determine whether each given value of x satisfies the inequality x+1<x/3
(a) x=0
(b) x=4
(c) x=-4

Respuesta :

14-08-2018

[tex]x+1 < \dfrac{x}{3}\ \ \ \ |\cdot3\\\\3x+3 < x\ \ \ \ |-3\\\\3x < x-3\ \ \ \ |-x\\\\2x < -3\ \ \ \ |:2\\\\x < -1.5[/tex]

Answer: (c) x = -4

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