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x+2y=16
------------
5x / =10
x=10/5
x=2
x+2y=16
2+2y=16
2y=16-2
2y=14
y=14/2
y=7.
Metodo.
Eliminación.
4x - 2y = - 6 (1)
x + 2y = 16 (2) Sumas (1) Y (2)
----------------
5x = 10
x = 10/5
x = 2 Reemplazas este valor en (2)
x + 2y = 16
2 + 2y = 16
2y = 16 - 2
2y = 14
y = 14/2
y = 7
Resolución.
(2 , 7)