qtalt09 qtalt09
  • 16-11-2020
  • Mathematics
contestada

15−21


Please help me

Respuesta :

Kadenbre Kadenbre
  • 16-11-2020
Dang that’s a hard one but it’s -6
Answer Link
issamimikelly
issamimikelly issamimikelly
  • 16-11-2020

Answer:

The answer is -6

Answer Link

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(-4b+15-7k)-(6+4b-2k)