18/21=x/3.4

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Solution for 18/21=x/3.4 equation: 


x in (-oo:+oo)

18/21 = x/3.4 // - x/3.4

18/21-(x/3.4) = 0

18/21-0.29411765*x = 0

6/7-0.29411765*x = 0 // - 6/7

-0.29411765*x = -6/7 // : -0.29411765

x = -6/7/(-0.29411765)

x = 2.91428569

x = 2.91428569

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