Question

-15x + 12 + 3 × (2x - 6) = 3x + (21x - 1) + 2 Aplicando la propiedad distributiba...

Answer 1

-15x + 12 + 3 × (2x - 6) = 3x + (21x - 1) + 2

-15x + 12 + 6x - 18 = 3x + 21x - 1 + 2

-9x - 6 = 24x + 1

-6 - 1 = 24x + 9x

-7 = 33x

-7/33 = x

Respuesta : x = -7/33

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