SumOh SumOh
  • 21-07-2020
  • Mathematics
contestada

x + 4y = 23
-3x = 12y + 1
is it no solution?

Respuesta :

DatGuy323
DatGuy323 DatGuy323
  • 21-07-2020

Answer: Yes

Step-by-step explanation:

First multiply the first equation by three to get 3x+12y=69

Then subtract 12y from both sides of the second equation

Then add the first system and the second like this:

[tex]3x+12y=69\\-3x-12y=1\\--------\\0+0=70\\0=70[/tex]

Because 0≠70, the system has no solutions

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