Respuesta :

Elimed

Answer:

x=2

Step-by-step explanation:

Convert the Y to 3x since we know that y=3x.

You would get x+3x=8.

Add the x and 3x to get 4x

Then, you would get 4x=8.

Divide by 4 on both sides to get x=2.

Answer:

x = 2, y = 6

Step-by-step explanation:

x + y = 8

y = 3x

if y = 2

2 = 3x

2 = 6

2 + 6 = 8

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