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11-11-2020
Chemistry

contestada

3x - 12 = 7x + 8
-4x - 12 = 8
-4x - 20
X = -5

Respuesta :

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11-11-2020

Answer:

1.Set your equations Raquel to each other

2.given

3.subtract 7x from both sides

4. Add 12 to both sides

5.divide both sides by four and you get negative 5

Explanation:

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