Prove that the point (2, 1) lies on the line with equation y = 3x – 5.

Question

Prove that the point (2, 1) lies on the line with equation y = 3x – 5.

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Khang Minh 4 years 2021-08-04T01:30:25+00:00 1 Answers 6 views 0

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  1. giabao
    0
    2021-08-04T01:31:45+00:00
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    Answer:

    3(2) – 5 = 1

    Step-by-step explanation:

    y = 3x – 5

    (x, y)

    plug x and y in

    1 = 3(2) – 5

    1 = 6 – 5

    1 = 1

    true

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