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18 September, 18:24

What is 20x+5y=15 for y?

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  1. 18 September, 18:28
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    20x + 5y = 15

    Add - 20x to both sides.

    20x + 5y + - 20x = 15 + - 20x

    5y = - 20x + 15

    Divide both sides by 5.

    5y / 5 = - 20x + 15 / 5

    y = - 4x + 3
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