Zina solves a system of linear equations by elimination and finds that the solution to a system is (2, 2). One of the equations is a + b = 4

Question

Zina solves a system of linear equations by elimination and finds that the solution to a system is (2, 2). One of the equations is a + b = 4. Which answer could be the other equation?

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Khoii Minh 5 years 2021-08-16T00:33:59+00:00 2 Answers 91 views 0

Answers ( )

  1. thongdat2
    0
    2021-08-16T00:35:14+00:00
    Reply

    Answer:

    a + 3b = 8

    Step-by-step explanation:

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  2. thienan
    0
    2021-08-16T00:35:42+00:00
    Reply

    Answer:

    a + 3b = 8

    Step-by-step explanation:

    I got it right on the quiz

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