89/90=x/20

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Solution for 89/90=x/20 equation: 


x in (-oo:+oo)

89/90 = x/20 // - x/20

89/90-(x/20) = 0

89/90-1/20*x = 0 // - 89/90

-1/20*x = -89/90 // : -1/20

x = -89/90/(-1/20)

x = 178/9

x = 178/9

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