4/5=(x-3)/9

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Solution for 4/5=(x-3)/9 equation: 


x in (-oo:+oo)

4/5 = (x-3)/9 // - (x-3)/9

4/5-((x-3)/9) = 0

(-1*(x-3))/9+4/5 = 0

(-1*5*(x-3))/(5*9)+(4*9)/(5*9) = 0

4*9-1*5*(x-3) = 0

51-5*x = 0

(51-5*x)/(5*9) = 0

(51-5*x)/(5*9) = 0 // * 5*9

51-5*x = 0

51-5*x = 0 // - 51

-5*x = -51 // : -5

x = -51/(-5)

x = 51/5

x = 51/5

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