kaylamtz429 kaylamtz429
  • 19-05-2022
  • Mathematics
contestada

3х - 4y = = 6
Зу - 7 = x

Respuesta :

notcandy123
notcandy123 notcandy123
  • 21-05-2022

Answer:

x=9.2

y=5.4

Step-by-step explanation:

first plug in x in the 1st equation

[tex]3(3y-7)-4y=6\\9y-21-4y=6\\5y-21=6\\5y=27\\y=5.4[/tex]

now plug in y

[tex]3(5.4)-7=x\\16.2-7=x\\x=9.2[/tex]

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