# 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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