1/2x+4-x=21/2+x

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Solution for 1/2x+4-x=21/2+x equation: 


x in (-oo:+oo)

(1/2)*x-x+4 = x+21/2 // - x+21/2

(1/2)*x-x-x-(21/2)+4 = 0

(1/2)*x-x-x-21/2+4 = 0

-3/2*x-13/2 = 0 // + 13/2

-3/2*x = 13/2 // : -3/2

x = 13/2/(-3/2)

x = -13/3

x = -13/3

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