-4/2x=-20

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Solution for -4/2x=-20 equation: 


x in (-oo:+oo)

(-4/2)*x = -20 // + 20

(-4/2)*x+20 = 0

20-2*x = 0 // - 20

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

x = -20/(-2)

x = 10

x = 10

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