2x + 5y = 13 -x + 4y = 13 solve by elimination

Question

2x + 5y = 13
-x + 4y = 13
solve by elimination

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Farah 2 weeks 2021-08-28T10:07:05+00:00 1 Answers 0 views 0

Answers ( )

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    2021-08-28T10:08:24+00:00

    Answer:

    i think x=-1 and y=3. ….

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