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12 December, 15:32

Sole the equations for (x, y) 3x+y=1 and

x-y = - 5

+5
Answers (1)
  1. 12 December, 16:01
    0
    ( - 1, 4)

    Step-by-step explanation:

    Given the 2 equations

    3x + y = 1 → (1)

    x - y = - 5 → (2)

    Adding the 2 equations term by term eliminates the term in y, that is

    (3x + x) + (y - y) = (1 - 5), simplifying gives

    4x = - 4 (divide both sides by 4)

    x = - 1

    Substitute x = - 1 into either of the 2 equations for corresponding value of y

    Substituting in (1)

    3 ( - 1) + y = 1

    - 3 + y = 1 (add 3 to both sides)

    y = 4

    Solution is ( - 1, 4)
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