rojasjunior2318 rojasjunior2318

17-07-2017
Mathematics

contestada

Which is the solution set of the compound inequality? –4 < a + 2 < 10

Respuesta :

ruhibreddy ruhibreddy

17-07-2017

First, subtract 2 from both sides.
You get: -6<a<8

To test it out substitute -6 and 8 in. Because they are ON the margin not IN it, the answer is:

-6<a<8

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