X/2-1/4=20

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Solution for X/2-1/4=20 equation: 


X in (-oo:+oo)

X/2-(1/4) = 20 // - 20

X/2-(1/4)-20 = 0

X/2-1/4-20 = 0

1/2*X-81/4 = 0 // + 81/4

1/2*X = 81/4 // : 1/2

X = 81/4/1/2

X = 81/2

X = 81/2

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