Помагите дроби срочно

Question

Помагите дроби срочно

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Answer 1

6 9/11*(х-2/3)=50
Х-2/3=50:6 9/11
Х-2/3=50/1*11/75
Х=550/75+2/3
Х=550/75+50/75
Х=600/75
Х=8