erikavidal erikavidal

03-12-2018
Mathematics

contestada

Which graph represents the solution set for the inequality -8 < 8 + 4x < 28

Respuesta :

Professor1994 Professor1994

03-12-2018

Answer:

The solution set for the inequality is the interval (-4, 5)

Step-by-step explanation:

-8 < 8 + 4x < 28

Subtracting 8:

-8 -8 < 8 + 4x - 8 < 28 - 8

-16 < 4x < 20

Dividing by 4:

-16/4 < 4x/4 < 20/4

-4 < x < 5

x ∈ (-4, 5)

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