ayuksek2008
ayuksek2008 ayuksek2008
  • 30-10-2020
  • Mathematics
contestada

I need answer soon!

If 70 + m + n - 20 = 80 and m = 2n, then what is the value of n?

It'd be great if there was an explanation, but I'm not too picky...

Respuesta :

parynair parynair
  • 30-10-2020
Plug m=2n into the first equation.
70+2n+n-20=80
n= 10
Answer Link
dxmxn
dxmxn dxmxn
  • 30-10-2020

Answer:

70+2n+n-20=80

n= 10

Step-by-step explanation:

Answer Link

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