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14 December, 23:46

3x + 2y = 5

X - 2y = - 1

+2
Answers (1)
  1. 14 December, 23:49
    0
    (1, 1)

    Step-by-step explanation:

    Given the 2 equations

    3x + 2y = 5 → (1)

    x - 2y = - 1 → (2)

    Adding the 2 equations term by term will eliminate the term in y, that is

    (3x + x) + (2y - 2y) = (5 - 1)

    4x = 4 (divide both sides by 4)

    x = 1

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

    Substituting in (1)

    3 (1) + 2y = 5

    3 + 2y = 5 (subtract 3 from both sides)

    2y = 2 (divide both sides by 2)

    y = 1

    Solution is (1, 1)
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