(9y+5)/4+(3y+9)/5=23

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Solution for (9y+5)/4+(3y+9)/5=23 equation: 


y in (-oo:+oo)

(9*y+5)/4+(3*y+9)/5 = 23 // - 23

(9*y+5)/4+(3*y+9)/5-23 = 0

(5*(9*y+5))/(4*5)+(4*(3*y+9))/(4*5)+(-23*4*5)/(4*5) = 0

5*(9*y+5)+4*(3*y+9)-23*4*5 = 0

57*y-460+61 = 0

57*y-399 = 0

(57*y-399)/(4*5) = 0

(57*y-399)/(4*5) = 0 // * 4*5

57*y-399 = 0

57*y-399 = 0 // + 399

57*y = 399 // : 57

y = 399/57

y = 7

y = 7

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