Ответы на вопрос:
(х-1/4)+3 1/12=7 1/3 х-1/4=7 1/3-3 1/12 х-1/4=7 4/12-3 1/12 х-1/4=4 3/12 х= 4 3/12+ 1/4 х= 4 3/12+ 3/12 х= 4 6/12= 4 1/2 6 2/3-(х+1/4)= 2 1/6 х+1/4= 6 2/3 - 2 1/6 х+1/4=6 4/6 - 2 1/6 х+1/4=4 3/6 х=4 3/6-1/4 х=4 6/12-3/12 х=4 3/12=4 1/4
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