U/2-1=2

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Solution for U/2-1=2 equation: 


U in (-oo:+oo)

U/2-1 = 2 // - 2

U/2-2-1 = 0

1/2*U-3 = 0 // + 3

1/2*U = 3 // : 1/2

U = 3/1/2

U = 6

U = 6

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