variation

x is partly constant and partly varies as y when y=5, x=7,and y=7,x=8.find the law of variation and also x, when y=11

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  1. x = a+ky

    7 = a+5k
    8 = a+7k

    x = 9/2 + y/2

    x(11) = 10

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    posted by Steve
  2. PLS WORK IT FOR ME

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  3. Please work it out for me

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