Question

cómo se hacen estos sistemas?

a
[x - 3y=9
14x-3y = 18

b
(2x-3y=-1
5x-7y=-1

c
5x+y=4
9x-8y=17

d
[9x – 2y = 20
5x-6y=16

d
[4x-5y =-10
6x + y = 2


e
{3x - 7y = 5
2x+6y=13​

Answer 1

Respuesta:

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Answer 2

a) x=9/13 y=-36/13
b) x=4 y=3
c) x=1 y=-1
d) x=2 y=-1
d) x=0 y=2
e) x=-43/96 y=29/32