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09-12-2020
Mathematics

contestada

due in 10 minutes help with explanation

due in 10 minutes help with explanation class=

Respuesta :

09-12-2020

Answer:

first box: -9

second box: -20

Step-by-step explanation:

Group the terms with c and the ones without c:

9c - 15c - 3c = -9c

-12 - 8 = -20

So the simplification is -9c + -20

(which is the same as -9c - 20)

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