algebra II

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algebra II

Graph solution on a number line: 3|𝑥| < 12; D = {Reals}
Proof Proof
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Re: algebra II

3|x| < 12
|x| < 4   ← divided by 3

-4 < x < 4   ← distance that x is from zero, is less than 4, therefore x is between -4 and 4

- Proof