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22 August, 20:05

3x+4y=17

-4x-3y=-18

Solve the following system of equations. Express your answer As an ordered pair in the format (a, b), with no spaces between the numbers or symbols.

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  1. 22 August, 21:09
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    A) 3x+4y=17

    B) - 4x-3y=-18 Multiplying B) by. 75

    B) - 3x - 2.25y = - 13.5 then adding this to A

    A) 3x + 4y = 17

    1.75y = 3.5

    y = 2

    A) 3x + 4*2 = 17

    3x + 8 = 17

    3x = 9

    x = 3

    (3,2)
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