Question

sistema de ecuaciones 2x-8y=16 2x-3y=6

Answer 1

2x-8y = 16           ec. 1
2x-3y = 6             ec. 2

multiplicando *-1 a la ec. 2 y sumándole la ec. 1:
-2x+3y = -6
 2x- 8y = 16

-5y = 10
y = 10/-5
y = -2

de la ec. 2:
2x-3y=6
2x-3*-2 = 6
2x+6 = 6
2x = 6-6
2x=0
x = 0


Saludos......