a-(1/2)a=20+4

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Solution for a-(1/2)a=20+4 equation: 


a in (-oo:+oo)

a-((1/2)*a) = 4+20 // - 4+20

a-((1/2)*a)-20-4 = 0

a+(-1/2)*a-20-4 = 0

1/2*a-24 = 0 // + 24

1/2*a = 24 // : 1/2

a = 24/1/2

a = 48

a = 48

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