Respuesta :

chandraghimire320

Answer:

x= -3

y= -9

Step-by-step explanation:

Y-4X =3 ; 2x-3y=21

Y= 3+ 4x

2x -3( 3+4x)= 21

2x- 9- 12x= 21

-10x -9= 21

-10x -9+9= 21+9

-10x = 30

X= 30/-10= -3

Y= 3+4x = 3+ 4* (-3)= 3-12= -9
Are they 2 different problems that need to be solved ?

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good job