taytayismael taytayismael

11-12-2020
Mathematics

contestada

Solve the system of equations by substitution. Write your solution as an ordered pair
x+y=81
y=8x

Respuesta :

meowmeow223334 meowmeow223334

11-12-2020

x + 8x = 81
9x = 81, x = 9
y = 8(9), y = 72
Solution: (9, 72)

Answer Link

franklinjoshua2007 franklinjoshua2007

11-12-2020

Answer:

Step-by-step explanation:

Frt

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