x-20x/100=120

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Solution for x-20x/100=120 equation: 


x in (-oo:+oo)

x-((20*x)/100) = 120 // - 120

x-((20*x)/100)-120 = 0

x+(-1/5)*x-120 = 0

4/5*x-120 = 0 // + 120

4/5*x = 120 // : 4/5

x = 120/4/5

x = 150

x = 150

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