KiyaMarie127
KiyaMarie127
26-06-2019
Mathematics
contestada
Y=2x
x+y=9
Solve using substitution
Respuesta :
dvclee2
dvclee2
26-06-2019
Answer:
x = 3; y = 6
Step-by-step explanation:
x + 2x = 9
3x = 9
x = 3
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