Halloweenlover918
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  • 01-11-2016
  • Mathematics
contestada

find the sum and express it in simplest form?
(-b-c+8)+(7b-7c-9)

Respuesta :

Аноним Аноним
  • 01-11-2016
-b + 7b = 6b
-c + (-7c) = -8c
 8 + (-9) = -1

therefore the answer 6b - 8c - 1
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