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

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


x in (-oo:+oo)

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

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

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

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

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

3*x-39 = 0

(3*x-39)/(5*7) = 0

(3*x-39)/(5*7) = 0 // * 5*7

3*x-39 = 0

3*x-39 = 0 // + 39

3*x = 39 // : 3

x = 39/3

x = 13

x = 13

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