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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