(2a-13)/3=(4a-28)/5

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Solution for (2a-13)/3=(4a-28)/5 equation: 


a in (-oo:+oo)

(2*a-13)/3 = (4*a-28)/5 // - (4*a-28)/5

(2*a-13)/3-((4*a-28)/5) = 0

(2*a-13)/3+(-1*(4*a-28))/5 = 0

(5*(2*a-13))/(3*5)+(-1*3*(4*a-28))/(3*5) = 0

5*(2*a-13)-1*3*(4*a-28) = 0

19-2*a = 0

(19-2*a)/(3*5) = 0

(19-2*a)/(3*5) = 0 // * 3*5

19-2*a = 0

19-2*a = 0 // - 19

-2*a = -19 // : -2

a = -19/(-2)

a = 19/2

a = 19/2

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