1/3.9=x/1.3

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Solution for 1/3.9=x/1.3 equation: 


x in (-oo:+oo)

1/3.9 = x/1.3 // - x/1.3

1/3.9-(x/1.3) = 0

1/3.9-0.76923077*x = 0

0.25641026-0.76923077*x = 0 // - 0.25641026

-0.76923077*x = -0.25641026 // : -0.76923077

x = -0.25641026/(-0.76923077)

x = 0.33333334

x = 0.33333334

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