A textbook store sold a combined total of 470 biology and history textbooks in a week. The number of history textbooks sold was 62 less than

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A textbook store sold a combined total of 470 biology and history textbooks in a week. The number of history textbooks sold was 62 less than the number of biology textbooks sold. How many textbooks of each type were sold?

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Ngọc Hoa 5 months 2021-08-29T13:00:58+00:00 1 Answers 2 views 0

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    2021-08-29T13:02:10+00:00

    266 biology textbook
    204 history textbooks

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )