dlevi062907 dlevi062907

14-02-2017
Mathematics

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Solve |4x - 8| < 12

{x|-12 < x < 12}
{x|-5 < x < 5}
{x|-1 < x < 5}

Respuesta :

texaschic101 texaschic101

14-02-2017

| 4x - 8 | < 12

-12 < 4x - 8 < 12......add 8 to every section
-12 + 8 < 4x - 8 + 8 < 12 + 8
-4 < 4x < 20 ....divide every section by 4
-4/4 < 4x/4 < 20/4....simplify
-1 < x < 5 <====

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