-x+1/2=4

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Solution for -x+1/2=4 equation: 


x in (-oo:+oo)

1/2-x = 4 // - 4

1/2-x-4 = 0

-x-7/2 = 0 // + 7/2

-x = 7/2 // * -1

x = -7/2

x = -7/2

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