marianar89083 marianar89083
  • 10-12-2020
  • Mathematics
contestada

sustituir. 20c + 15r + 75p + 50e​

Respuesta :

adioabiola
adioabiola adioabiola
  • 17-12-2020

Answer:

8c - 7r + 10p - 20e

Step-by-step explanation:

Subtract (20c + 15r + 75p + 50e) - (12c + 22r + 65p + 70e)

(20c + 15r + 75p + 50e) - (12c + 22r + 65p + 70e)

Open bracket

20c + 15r + 75p + 50e - 12c - 22r - 65p - 70e

Collect like terms

= 20c - 12c + 15r - 22r + 75p - 65p + 50e - 70e

= 8c - 7r + 10p - 20e

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