rodwave223 rodwave223

31-01-2020
Mathematics

contestada

4) -4y= -x + 4
6) y + 3x = 3

Respuesta :

798483804 798483804

31-01-2020

Answer:

x=16/13

y= -9/13

Step-by-step explanation:

A: -4y=-x+4

B: y+3x=3

4B: 4y+12x=12

A+4B: 12x= -x+16

-----> 13x=16

x=16/13

-4y= -16/13+4

4y=16/13-4

y=4/13-1= -9/13

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