Lmedina718 Lmedina718
  • 12-11-2014
  • Mathematics
contestada

Solve
2x -y =4
5x -2.5y =10

Respuesta :

Аноним Аноним
  • 12-11-2014
2x-y=4

Therefore: y=2x-4

---------------------------------

5x-10/4(2x-4)=10

5x-5/2(2x-4)=10

5x-5x+10=10

10=10

------------------------

*Problem can't be solved.
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