2(-x)=-1/2

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Solution for 2(-x)=-1/2 equation: 


x in (-oo:+oo)

2*(-x) = -1/2 // + -1/2

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

2*(-x)+1/2 = 0

1/2-2*x = 0 // - 1/2

-2*x = -1/2 // : -2

x = -1/2/(-2)

x = 1/4

x = 1/4

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