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25-07-2020
Mathematics

contestada

Simplify the expression:
9a – 7a + 4 – 4 + 8

Respuesta :

Аноним Аноним

25-07-2020

Answer:

2a + 8

Step-by-step explanation:

9a - 7a + 4 - 4 + 8

=> 2a + 12 - 4

=> 2a + 8

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