drbean2362 drbean2362
  • 09-03-2021
  • Mathematics
contestada

2x-y=3 ; 5x+2y=30 solve using elimination

Respuesta :

rorycampbell0721
rorycampbell0721 rorycampbell0721
  • 09-03-2021

Answer:

x = 4, y = 5

Step-by-step explanation:

[tex]2x-y=3\\4x-2y=6[/tex]

so:

[tex]4x - 2y = 6\\+ 5x + 2y = 30\\9x= 36\\x=4[/tex]

Substitute this into 2x - y = 3:

[tex]8-y=3\\y = 5[/tex]

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