(x/15)-(x-1)/20=3x/4

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Solution for (x/15)-(x-1)/20=3x/4 equation: 


x in (-oo:+oo)

x/15-((x-1)/20) = (3*x)/4 // - (3*x)/4

x/15-((x-1)/20)-((3*x)/4) = 0

x/15-((x-1)/20)+(-3/4)*x = 0

(-1*(x-1))/20+x/15+(-3*x)/4 = 0

(-1*4*15*(x-1))/(4*15*20)+(4*20*x)/(4*15*20)+(-3*15*20*x)/(4*15*20) = 0

4*20*x-1*4*15*(x-1)-3*15*20*x = 0

20*x-900*x+60 = 0

60-880*x = 0

(60-880*x)/(4*15*20) = 0

(60-880*x)/(4*15*20) = 0 // * 4*15*20

60-880*x = 0

60-880*x = 0 // - 60

-880*x = -60 // : -880

x = -60/(-880)

x = 3/44

x = 3/44

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