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25 April, 16:47

2x + y = 10

2x - y = 6

+2
Answers (2)
  1. 25 April, 19:38
    0
    x = 4 y = 2

    Step-by-step explanation:

    2x + y = 10

    2x4 = 8

    8 + 2 = 10

    2x - y = 6

    2x4 = 8

    8 - 2 = 6
  2. 25 April, 20:27
    0
    Step-by-step explanation:

    2x + y = 10 ... (1)

    2x - y = 6 ... (2)

    Substracting (2) from (1)

    2x - 2x + y - (-y) = 10 - 6

    y + y = 4

    2y = 4

    Dividing through by 2

    y = 4/2

    y = 2

    Substitute y = 2 in (2)

    2x - y = 6

    2x - 2 = 6

    Collecting like terms

    2x = 6 + 2

    2x = 8

    Dividing by 2

    x = 8/2

    x = 4
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