100/80=x/5,5

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Solution for 100/80=x/5,5 equation: 


x in (-oo:+oo)

100/80 = x/5.5 // - x/5.5

100/80-(x/5.5) = 0

100/80-0.18181818*x = 0

5/4-0.18181818*x = 0 // - 5/4

-0.18181818*x = -5/4 // : -0.18181818

x = -5/4/(-0.18181818)

x = 6.87500007

x = 6.87500007

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