x-15=1/2x

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Solution for x-15=1/2x equation: 


x in (-oo:+oo)

x-15 = (1/2)*x // - (1/2)*x

x-((1/2)*x)-15 = 0

x+(-1/2)*x-15 = 0

1/2*x-15 = 0 // + 15

1/2*x = 15 // : 1/2

x = 15/1/2

x = 30

x = 30

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