Respuesta :

23abdour

Answer:

y = -1

Step-by-step explanation:

Set up

x-2y  = 8

Substitute 5-y for x

5 - y -2y = 8

Combine like terms

-3y + 5 = 8

Subtract 5 from both side

-3y = 3

Divide by -3

y = -1

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