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Question

Describe all numbers x that are at a distance of 5 from the number 8. Express this using absolute value notation.

The answer field below uses the symbol mode option. That lets you type in a vertical bar | to represent absolute values. Also, when you type in < and then =, the symbol mode will automatically convert that to ≤ . In the same way, if you type in > and then =, the symbol mode will automatically convert that to ≥.

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Algebra

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