November 2021 0 8 Report
На первой полке стоит x книг, а на второй – в 6 раз больше. Если со второй полки переставить на первую 20 книг, то книг на полках станет поровну. Укажите уравнение, составленное по условию задачи. x+20=6(x-20)
x=6x-20
x+20=6x
x+20=6x-20
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