A belt and a wallet cost $ 42. Seven belts and 4 wallets cost $ 213. Find the cost of each item.

Question

A belt and a wallet cost $ 42. Seven belts and 4 wallets cost $ 213. Find the cost of each item.

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Hải Đăng 6 mins 2021-07-22T16:57:32+00:00 1 Answers 0 views 0

Answers ( )

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    2021-07-22T16:59:30+00:00

    Answer:

    $19.36

    Step-by-step explanation:

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