Respuesta :

Answer:

x = 5

Step-by-step explanation:

Do the opposite: (x+ 2 + 8 + 9 + 7 + 6 + x)/7 = 6

7 * 6 = x + 2 + 8 + 9 + 7 + 6 + x

42 = 32 + 2x

10 = 2x

5 = x

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