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01-11-2017
Mathematics

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What is the value of R, what is the value of EF

What is the value of R what is the value of EF class=

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choixongdong choixongdong

01-11-2017

9r - 6 = 8r + 3
r = 9
EF = 4r + 19 = 4(9) + 19 = 36 + 19 = 55

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