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10 August, 10:06

Solve 2x+5y=9 when y=1

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  1. 10 August, 10:28
    0
    Substitute the y=1:

    2x + 5 (1) = 9

    2x + 5 = 5

    subtract the 5:

    2x = 4

    Divide by 2:

    x = 2
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