4. Use substitution to solve the following system of equations. d+ e-f= 3 e=f+ d + 1 f=2e-1​

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4. Use substitution to solve the following system of equations. d+ e-f= 3 e=f+ d + 1 f=2e-1​

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Hưng Khoa 3 years 2021-07-25T19:40:09+00:00 1 Answers 6 views 0

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  1. thanhcong
    0
    2021-07-25T19:41:11+00:00
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    Answer:

    ttttttttttttttttttttttttttttttttttttttttttttyewio

    Step-by-step explanation:

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