1/2(x+3)=-18

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Solution for 1/2(x+3)=-18 equation: 


x in (-oo:+oo)

(1/2)*(x+3) = -18 // + 18

(1/2)*(x+3)+18 = 0

1/2*(x+3)+18 = 0

1/2*(x+3)+18 = 0

1/2*x+39/2 = 0

1/2*x+39/2 = 0

1/2*x+39/2 = 0 // - 39/2

1/2*x = -39/2 // : 1/2

x = -39/2/1/2

x = -39

x = -39

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