Respuesta :

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15. the | | cancel negatives and positives.

Answer:

Answer: 15

Step-by-step explanation:

Absolute value sign | | considers only the positive value of the number on a number line;

| 8 | ⇒ 8,

| - 7 | ⇒ 7,

8 + 7 = 15 ⇒ Answer: 15

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