(x+4)/9=(x-2)/7

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Solution for (x+4)/9=(x-2)/7 equation: 


x in (-oo:+oo)

(x+4)/9 = (x-2)/7 // - (x-2)/7

(x+4)/9-((x-2)/7) = 0

(x+4)/9+(-1*(x-2))/7 = 0

(7*(x+4))/(7*9)+(-1*9*(x-2))/(7*9) = 0

7*(x+4)-1*9*(x-2) = 0

46-2*x = 0

(46-2*x)/(7*9) = 0

(46-2*x)/(7*9) = 0 // * 7*9

46-2*x = 0

46-2*x = 0 // - 46

-2*x = -46 // : -2

x = -46/(-2)

x = 23

x = 23

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