20=-5/2x

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Solution for 20=-5/2x equation: 


x in (-oo:+oo)

20 = (-5/2)*x // - (-5/2)*x

20-((-5/2)*x) = 0

(5/2)*x+20 = 0

5/2*x+20 = 0 // - 20

5/2*x = -20 // : 5/2

x = -20/5/2

x = -8

x = -8

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