(x)/(2)=1+(x-20)/(5)

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Solution for (x)/(2)=1+(x-20)/(5) equation: 


x in (-oo:+oo)

x/2 = (x-20)/5+1 // - (x-20)/5+1

x/2-((x-20)/5)-1 = 0

(-1*(x-20))/5+x/2-1 = 0

(-1*2*(x-20))/(2*5)+(5*x)/(2*5)+(-1*2*5)/(2*5) = 0

5*x-1*2*(x-20)-1*2*5 = 0

3*x-10+40 = 0

3*x+30 = 0

(3*x+30)/(2*5) = 0

(3*x+30)/(2*5) = 0 // * 2*5

3*x+30 = 0

3*x+30 = 0 // - 30

3*x = -30 // : 3

x = -30/3

x = -10

x = -10

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