KiyaMarie127 KiyaMarie127

26-06-2019
Mathematics

contestada

x= -2y
x-y=9
Solve using substitutio

Respuesta :

dvclee2 dvclee2

26-06-2019

Answer:

y = -3; x = 6

Step-by-step explanation:

-2y - y = 9

-3y = 9

y = -3

Answer Link

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