amelianicole25
amelianicole25 amelianicole25
  • 23-08-2018
  • Mathematics
contestada

solve:
41 - 2n = -5(2n - 8)

Respuesta :

amandaleeeemee amandaleeeemee
  • 23-08-2018
41-2n=-5(2n-8)
41-2n=-10n+40
-2n+10n=40-41
8n=-1
1/8(8n)=1/8(-1)
n=-1/8
Answer Link
rokdo432
rokdo432 rokdo432
  • 23-08-2018

41-2n= -5(2n - 8)

41-2n= -10n + 40 (open brackets)

take -2n to other side and bring 40 in its place. (change of signs take place when bringing to other side of the equation)

41-40= -10n+2n

1= -8n

n= -1/8 (standard form)





Answer Link

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