jonathanpuncher01 jonathanpuncher01

06-12-2020
Mathematics

contestada

How do I solve this inequality?

How do I solve this inequality class=

Respuesta :

vanesha376 vanesha376

06-12-2020

Step-by-step explanation:

9 ≤ |4x + 7|

9 ≤ 4x + 7

9 - 7 ≤ 4x

2 ≤ 4x

2/4 ≤ x

1/2 ≤ x

9 ≤ |4x + 7|

9 ≤ -(4x + 7)

9 ≤ -4x - 7

9 + 7 ≤ -4x

16 ≤ - 4x

16/-4 ≤ x

-4 ≤ x

{-4 ≤ x ≤ 1/2}

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