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14 June, 09:07

6r - 7 over 10 = r over 4

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  1. 14 June, 11:00
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    Multiply both sides by 4

    subtract 24r from both sides

    simplify r - 24r to - 23r

    divide both sides by - 23

    two negatives make a positive

    simplify 14/5/23 to 14/5 x 23

    simplify 5 x 23 to 115

    switch sides

    Answer: r = 14/115.
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