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  • 16-11-2020
  • Mathematics
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I NEED HELP!! pleaseee

I NEED HELP pleaseee class=

Respuesta :

ricchad
ricchad ricchad
  • 16-11-2020

Answer:

y = 20

Step-by-step explanation:

line RPN = 180 = 4y - 10 + 90 + y

180 - 90 + 10= 5y

100 = 5y

y = 100/5

y = 20

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