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25 October, 07:07

20/3 = 10/9 x

14/5 = 7/15 x

What is x?

x has to be the same number in each equation

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Answers (1)
  1. 25 October, 09:07
    0
    x = 6

    Step-by-step explanation:

    20/3 = 10/9x ... multiply both sides by 9/10

    9/10 * 20/3 = x

    18/3 = x

    6 = x

    14/5 = 7/15x ... multiply both sides by 15/7

    15/7 * 14/5 = x

    30/5 = x

    6 = x
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