11/12x-120%=6.

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11/12x-120%=6.11/12x-120%=6.11/12x-120%=6.11/12x-120%=6.5解11/12x-1.2=6.511/12x=7.7X=8.4

11/12x-120%=6.
11/12x-120%=6.

11/12x-120%=6.
11/12x-120%=6.5

11/12x-1.2=6.5
11/12x=7.7
X=8.4