20/100=x/80

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Solution for 20/100=x/80 equation:


x in (-oo:+oo)

20/100 = x/80 // - x/80

20/100-(x/80) = 0

1/5-1/80*x = 0 // - 1/5

-1/80*x = -1/5 // : -1/80

x = -1/5/(-1/80)

x = 16

x = 16

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