09.If z/(z + 15) = 4/9, then the value of ‘z’ is ​

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09.If z/(z + 15) = 4/9, then the value of ‘z’ is

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Arianna 5 days 2021-09-14T18:24:18+00:00 2 Answers 0 views 0

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    2021-09-14T18:25:20+00:00

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    2021-09-14T18:26:07+00:00

     \frac{z}{z  + 15}  =  \frac{4}{9}

    9z = 4(z + 15)

    9z = 4z + 60

    9z - 4z = 60

    3z = 60

    z =  \frac{60}{3}

    z = 20

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