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Pemdas says that addition and subtraction can be done in any order, so it doesn't matter.

15 - 5 = 10

10 + 9 = 19

19 - 2 = 17

The answer is 17.

Pemdas- Parentheses, Exponents, Multiplication/Division, and Addition/subtraction.

The slashes mean that those two can be done in any order, and you will get the same answer/

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Q: What is 15-5 plus 9 - 2 in PEMDAS order?
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