Respuesta :

Answer:

- 6

Step-by-step explanation:

Step 1:

3x - 12 = 9x + 24    Equation

Step 2:

- 12 = 6x + 24   Subtract 3x from both sides

Step 3:

- 36 = 6x     Subtract 24 from both sides

Step 4:

- 36 ÷ 6   Divide

Answer:

- 6 = x

Hope This Helps :)

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