1/2x-9=-1/2

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Solution for 1/2x-9=-1/2 equation: 


x in (-oo:+oo)

(1/2)*x-9 = -1/2 // + -1/2

(1/2)*x-(-1/2)-9 = 0

(1/2)*x+1/2-9 = 0

1/2*x-17/2 = 0 // + 17/2

1/2*x = 17/2 // : 1/2

x = 17/2/1/2

x = 17

x = 17

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