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7 July, 15:57

If ad = 20 and ac=3x+4, find the value of x.

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  1. 7 July, 18:21
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    We have AD = DC

    Thus, AC = AD + AD = 20 + 20 = 40

    We have:

    3x + 4 = 40

    3x = 40 - 4

    3x = 36

    x = 36 / 3

    x = 12

    AD = 20

    AC = 40
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