jcislit69 jcislit69
  • 15-06-2022
  • Mathematics
contestada

If DE = x + 1, EF = 2x, and DF = 10, what is DE

Respuesta :

jsimpson11000 jsimpson11000
  • 15-06-2022

Answer:

x=3

Step-by-step explanation:

I will assume this is a  number line

DE    +    EF     = DF

x+1    +    2x     =  10

3x  + 1 = 10

3x = 9

x = 3

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