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28 August, 11:46

Solve with matrices. 5x - 3y = 18 and 2x + 7y = - 1

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  1. 28 August, 12:15
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    1.

    5x - 3y = 18

    5x = 3y + 18

    x = 3 (y + 6) / 5

    2.

    2x + 7y = - 1

    2x = - 7y - 1

    x = - 7y + 1/2
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