Respuesta :

Answer:

Step-by-step explanation:

(1,6)

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Answer:

(1, 6)

Step-by-step explanation:

3x + y = 9

y − 2x = 4 → y = 2x + 4

Use the substitution method:

3x + y = 9 → 3x + (2x + 4) = 9 → x = 1

Then,

y = 2x + 4 → y = 2(1) + 4 → y = 6

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