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19 September, 11:10

X = 10

5x - 4y = 18 substetution need fast

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  1. 19 September, 13:22
    0
    Y = 8

    Explanation:

    X = 10

    5x - 4y = 18

    5 (10) - 4y = 18

    50 - 4y = 18

    50 - 4y = 18

    -50 - 50

    -4y = - 32

    -4y/-4 = - 32/-4

    y = 8
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