-2+1/2z=8

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Solution for -2+1/2z=8 equation: 


z in (-oo:+oo)

(1/2)*z-2 = 8 // - 8

(1/2)*z-8-2 = 0

1/2*z-10 = 0 // + 10

1/2*z = 10 // : 1/2

z = 10/1/2

z = 20

z = 20

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