Respuesta :

Marlonthegreat25

Answer:

54

Step-by-step explanation:

ackahedem582

Step-by-step explanation:

y = 8x + 12 _____(1)

3x - 3y = 6 ______(2)

Substituting the.the expression for y in eqn (1)

into eqn (2).

3x - 3(8x + 12) = 6

3x - 24x - 36 = 6

-21x = 42

x = -2.

y = 8(-2) + 12 = -4.

hence x = -2 and y = -4.

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