Respuesta :

LammettHash

-2 < x/3 + 1 < 5

Subtract 1 from each side:

-2 - 1 < x/3 + 1 - 1 < 5 - 1

-3 < x/3 < 4

Multiply each side by 3:

-3 • 3 < x/3 • 3 < 4 • 3

-9 < x < 12

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