Respuesta:
-216 = x
Explicación paso a paso:
(6×(-11)+8-12-6+4)×3-1 = x
(-66+8-12-6+4)×3-1 = x
(-58-12-6+4)×3-1 = x
(-70-6+4)×3-1 = x
(-76+4)×3-1 = x
-72×3-1 = x
-72×3 = x
(6×(-11)+8-12-6+4)×3-1=
(-66+12-18)×3-1=
(-66-6)×3-1=
-72×3-1=
-216-1=-217
