даю 25 баллов
решите уравнение
2 1/7x+3 9/14x= 11 1/7-1 1/21 -2 3/14
решите уравнение
2 1/7x+3 9/14x= 11 1/7-1 1/21 -2 3/14
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Answers & Comments
2 1/7x+3 9/14x=-2 5/42
5 11/14x=-2 5/42
x=-2 5/42÷5 11/14
x=89/243