1/2(3-x)=x+9

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Solution for 1/2(3-x)=x+9 equation: 


x in (-oo:+oo)

(1/2)*(3-x) = x+9 // - x+9

(1/2)*(3-x)-x-9 = 0

1/2*(3-x)-x-9 = 0

1/2*(3-x)-x-9 = 0

3/2-3/2*x-9 = 0

-3/2*x-15/2 = 0

-3/2*x-15/2 = 0

-3/2*x-15/2 = 0 // + 15/2

-3/2*x = 15/2 // : -3/2

x = 15/2/(-3/2)

x = -5

x = -5

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