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17 December, 14:36

21y - (-2y-3) = 7 (9-5y) - 6 (8-4y)

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  1. 17 December, 16:18
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    21y - (-2y-3) = 7 (9-5y) - 6 (8-4y)

    21y+2y+3=63-35y-48+24y - distribute

    23y+3=15-11y - combine

    34y+3=15 - simplify and solve

    34y=12

    y=12/34

    y=6/17
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