Respuesta :

Answer:

3

Step-by-step explanation:

Plug in 6 for the y value. Solve for x.

Answer:

x=3 (3,6)

Step-by-step explanation:

Y = 15 - 3x

Y = 6

6= 15-3x

-15 from each side

-9 = -3x

devide each side

ny -3

x=3

(check)

15-3(3) = 6

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