3x-(x+5)/2=x+8

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Solution for 3x-(x+5)/2=x+8 equation: 


x in (-oo:+oo)

3*x-((x+5)/2) = x+8 // - x+8

3*x-((x+5)/2)-x-8 = 0

(-1*(x+5))/2+3*x-x-8 = 0

(-1*(x+5))/2+(2*3*x)/2+(2*(-x))/2+(-8*2)/2 = 0

2*3*x-1*(x+5)+2*(-x)-8*2 = 0

5*x-2*x-16-5 = 0

3*x-16-5 = 0

3*x-21 = 0

(3*x-21)/2 = 0

(3*x-21)/2 = 0 // * 2

3*x-21 = 0

3*x-21 = 0 // + 21

3*x = 21 // : 3

x = 21/3

x = 7

x = 7

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