1/2(12-x)=20

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Solution for 1/2(12-x)=20 equation: 


x in (-oo:+oo)

(1/2)*(12-x) = 20 // - 20

(1/2)*(12-x)-20 = 0

1/2*(12-x)-20 = 0

1/2*(12-x)-20 = 0

-1/2*x-14 = 0

-1/2*x-14 = 0

-1/2*x-14 = 0 // + 14

-1/2*x = 14 // : -1/2

x = 14/(-1/2)

x = -28

x = -28

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