marcoaarmendari marcoaarmendari

13-12-2016
Mathematics

contestada

Does this system of equations have one solution, no solutions, or an infinite number of solutions?
2x + y = 5
2y + 4x = 10

Respuesta :

Аноним Аноним

13-12-2016

y=2x+5

2(2x+5)+4x=10

4x+10+4x=10

8x=20

So there's one solution, x=2.5

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