x-20+2(x+1/2)=8x-13

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Solution for x-20+2(x+1/2)=8x-13 equation: 


x in (-oo:+oo)

2*(x+1/2)+x-20 = 8*x-13 // - 8*x-13

2*(x+1/2)+x-(8*x)-20+13 = 0

2*(x+1/2)+x-8*x-20+13 = 0

2*(x+1/2)+x-8*x-20+13 = 0

3*x-8*x-20+1+13 = 0

1-5*x-20+13 = 0

13-5*x-19 = 0

-5*x-6 = 0

-5*x-6 = 0

-5*x-6 = 0 // + 6

-5*x = 6 // : -5

x = 6/(-5)

x = -6/5

x = -6/5

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