Respuesta :

jaenamariearma

Answer:

x=-5 & y=-2

Step-by-step explanation:

y= 3x+13

y= x-3

x-3=3x+13

-3=2x+13

-10=2x

x=-5

then

y=3(-5)+13

y=-15+13

y=-2

Yang100

Answer:

x=-8, y=-11. (-8, -11).

Step-by-step explanation:

y=3x+13

y=x-3

-----------

3x+13=x-3

3x-x+13=-3

2x+13=-3

2x=-3-13

2x=-16

x=-16/2

x=-8

y=-8-3=-11

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