To find the absolute value of a number, you determine its distance from zero on the number line, disregarding its sign. For positive numbers, the absolute value is the number itself, while for negative numbers, it is the positive equivalent. For example, the absolute value of -3 is 3, and the absolute value of 4 is 4. You can use the notation |x|, where x represents the number; thus, |−3| = 3 and |4| = 4.
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