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
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