5x-10=(x+1)/2

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Solution for 5x-10=(x+1)/2 equation: 


x in (-oo:+oo)

5*x-10 = (x+1)/2 // - (x+1)/2

5*x-((x+1)/2)-10 = 0

(-1*(x+1))/2+5*x-10 = 0

(-1*(x+1))/2+(2*5*x)/2+(-10*2)/2 = 0

2*5*x-1*(x+1)-10*2 = 0

9*x-20-1 = 0

9*x-21 = 0

(9*x-21)/2 = 0

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

9*x-21 = 0

9*x-21 = 0 // + 21

9*x = 21 // : 9

x = 21/9

x = 7/3

x = 7/3

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