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Luba_88 [7]
2 years ago
9

Evaluate the expression.

Mathematics
1 answer:
Katarina [22]2 years ago
4 0

Answer:

11

Step-by-step explanation:

The lines on the outside simply means "absolute value". This just takes any negative number and makes it positive. In this case, 15-4 is already positive so the answer is just positive 11.

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