(x-2)/5=(x+4)/7

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Solution for (x-2)/5=(x+4)/7 equation: 


x in (-oo:+oo)

(x-2)/5 = (x+4)/7 // - (x+4)/7

(x-2)/5-((x+4)/7) = 0

(x-2)/5+(-1*(x+4))/7 = 0

(7*(x-2))/(5*7)+(-1*5*(x+4))/(5*7) = 0

7*(x-2)-1*5*(x+4) = 0

2*x-34 = 0

(2*x-34)/(5*7) = 0

(2*x-34)/(5*7) = 0 // * 5*7

2*x-34 = 0

2*x-34 = 0 // + 34

2*x = 34 // : 2

x = 34/2

x = 17

x = 17

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