adargar0001 adargar0001
  • 01-05-2020
  • Mathematics
contestada

-21(a+20-6a) = 7(5+5a)
Solve for A

Respuesta :

valeryswilliams
valeryswilliams valeryswilliams
  • 01-05-2020

Answer:

a=13/2

Step-by-step explanation:

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