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4 December, 19:57

What is the first step in solving, 3x - 12y=5 3y - x=9, using the elimination method

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  1. 4 December, 20:23
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    3x-12y = 5

    -x+3y = 9

    First step is to make the coefficient of either x or y same.

    3x-12y = 5

    (-x+3y = 9) 3

    3x-12y = 5

    -3x+9y = 27

    -4y = 32

    y = - 8
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