Помогите (5/6х-1/2)умножить на 5/6=5/6
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(5/6х-1/2)*5/6=5/6 сокращаем на 5/6 (5/6х-1/2)=1 5/6х=1+1/2 х=3/2*6/5 х=9/5=1 4/5