Respuesta :

Answer:

-5x + 8x - 4 = 3x - 4

-5y + 3 - 6y + 2y + 4 = -9y + 7

6 + x - 5 + 2x + 8 = 3x + 9

3b - b + 7 + 4b = 6b + 7

Step-by-step explanation:

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