(3(x-5)-(x+3)/2)=x-9

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Solution for (3(x-5)-(x+3)/2)=x-9 equation: 


x in (-oo:+oo)

3*(x-5)-((x+3)/2) = x-9 // - x-9

3*(x-5)-((x+3)/2)-x+9 = 0

3*(x-5)+(-1*(x+3))/2-x+9 = 0

(2*3*(x-5))/2+(-1*(x+3))/2+(2*(-x))/2+(2*9)/2 = 0

2*3*(x-5)-1*(x+3)+2*(-x)+2*9 = 0

5*x-2*x-33+18 = 0

3*x-33+18 = 0

3*x-15 = 0

(3*x-15)/2 = 0

(3*x-15)/2 = 0 // * 2

3*x-15 = 0

3*x-15 = 0 // + 15

3*x = 15 // : 3

x = 15/3

x = 5

x = 5

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