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Given system of two linear equations: unique, none or infinitely many solutions

The same question, asked 2 times: 11 Sep 2024 S2*, 24 Sep 2024 S1. Every wording below, oldest first.

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  1. Question 1

    11 Sep 2024 S2

    65
    If 0.4x + 0.16y = 1.7 and 0.3x + 0.12y = 3.4, then which of the following is correct?

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  2. Question 2

    24 Sep 2024 S1

    55
    What conclusion can be drawn about the solution of the following system of linear equations in two variables: 3x+2y=73x + 2y = 7 2x+3y=72x + 3y = 7

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