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05-09-2019
Mathematics

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Simplify -(-2а + 13) + (-9а - 2) - (-7а - 3).
12
-12
14а - 12
14а - (-12)

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Аноним Аноним

05-09-2019

Answer:

-12.

Step-by-step explanation:

-(-2а + 13) + (-9а - 2) - (-7а - 3)

= 2a - 13 - 9a - 2 + 7a + 3

= 9a - 9a - 13 + -2 + 3

= -12.

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