2/1a=1

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Solution for 2/1a=1 equation: 


a in (-oo:+oo)

(2/1)*a = 1 // - 1

(2/1)*a-1 = 0

2*a-1 = 0

2*a-1 = 0 // + 1

2*a = 1 // : 2

a = 1/2

a = 1/2

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