1(1/2)x=9(9/20)

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Solution for 1(1/2)x=9(9/20) equation: 


x in (-oo:+oo)

1*(1/2)*x = 9*(9/20) // - 9*(9/20)

1*(1/2)*x-(9*(9/20)) = 0

(1/2)*x-81/20 = 0

1/2*x-81/20 = 0 // + 81/20

1/2*x = 81/20 // : 1/2

x = 81/20/1/2

x = 81/10

x = 81/10

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