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18 August, 02:14

Given the product of 2x+3y and 3y+2x is z. Find the value of y when x=3.2 and z=457.96

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  1. 18 August, 02:38
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    2x+3y·3y+2x=z

    2 (3.2) + 3y ·3y+2 (3.2) = 457.96

    6.4+9y+6.4=457.96

    12.8+9y=457.96

    -12.8=-12.8

    9y=445.16

    /9=/9

    y=49.46222222

    y=49.46
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