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13 November, 10:22

What would be my steps to solving this problem: x-2y=10

x+3y=5

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Answers (1)
  1. 13 November, 10:45
    0
    (8, - 1)

    Step-by-step explanation:

    One way is as follows

    Given the 2 equations

    x - 2y = 10 → (1)

    x + 3y = 5 → (2)

    Subtracting (2) from (1) term by term will eliminate the x - term

    (x - x) + ( - 2y - 3y) = (10 - 5), that is

    - 5y = 5 (divide both sides by - 5)

    y = - 1

    Substitute y = - 1 into either of the 2 equations and solve for x

    Substituting y = - 1 into (2)

    x + 3 ( - 1) = 5, that is

    x - 3 = 5 (add 3 to both sides)

    x = 8

    Solution is (8, - 1)
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