amysaenz611owa4r0 amysaenz611owa4r0

18-10-2017
Mathematics

contestada

Find the value of X, can someone help me?

Find the value of X can someone help me class=

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choixongdong choixongdong

18-10-2017

(3x -20) / 56 = 9/72
72(3x - 20) = 9 (56)
216x - 1440 = 504
216x = 1944
x = 9

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