Solving systems by elimination: Abbie bought a combination of streamers and balloons for a birthday party. The number of balloons, y, was th

Question

Solving systems by elimination: Abbie bought a combination of streamers and balloons for a birthday party. The number of balloons, y, was three less than two times the amount of streamers perchased, x,. If Abbie bought a combination of 9 balloons and streamers, what system of equations can represent the situation?

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Sigridomena 4 years 2021-08-28T07:17:04+00:00 1 Answers 7 views 0

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  1. niczorrrr
    0
    2021-08-28T07:18:45+00:00
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    Answer:

    the two equations you can use are

    y = 2x – 3

    y + x = 9

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