x/9=(x-2)/7

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Solution for x/9=(x-2)/7 equation: 


x in (-oo:+oo)

x/9 = (x-2)/7 // - (x-2)/7

x/9-((x-2)/7) = 0

(-1*(x-2))/7+x/9 = 0

(-1*9*(x-2))/(7*9)+(7*x)/(7*9) = 0

7*x-1*9*(x-2) = 0

18-2*x = 0

(18-2*x)/(7*9) = 0

(18-2*x)/(7*9) = 0 // * 7*9

18-2*x = 0

18-2*x = 0 // - 18

-2*x = -18 // : -2

x = -18/(-2)

x = 9

x = 9

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