akkaksjw akkaksjw
  • 05-09-2020
  • Mathematics
contestada

please answer asap !! :)

please answer asap class=

Respuesta :

swan85 swan85
  • 05-09-2020

Answer:

DE=6

Step-by-step explanation:

DE+EF=DF

9x-12+x+10=18

10x-2=18

10x=18+2

x=20/2=10

DE=9x-12 ⇒ 9(2)-12=18-12=6

DE=6

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dianamtz1226 dianamtz1226
  • 05-09-2020
The answer is DE=6 , I got it right
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