chloekoh55
chloekoh55 chloekoh55
  • 09-01-2022
  • Mathematics
contestada

find out x and y. y = 2x。 x = 2y - 9​

Respuesta :

aayu0302
aayu0302 aayu0302
  • 09-01-2022

Answer:

x = 3

y = 6

Step-by-step explanation:

y = 2x

x = 2y - 9

=> x = 2(2x) - 9

=> x = 4x - 9

=> 9 = 4x - x

=> 9 = 3x

=> 3x = 9

=> x = 9/3

=> x = 3

y = 2x

=> y = 2(3)

=> y = 6

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