KiyaMarie127
KiyaMarie127 KiyaMarie127
  • 26-06-2019
  • Mathematics
contestada

Y=2x
x+y=9
Solve using substitution

Respuesta :

dvclee2
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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