1/2(x-15)=3

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Solution for 1/2(x-15)=3 equation: 


x in (-oo:+oo)

(1/2)*(x-15) = 3 // - 3

(1/2)*(x-15)-3 = 0

1/2*(x-15)-3 = 0

1/2*(x-15)-3 = 0

1/2*x-21/2 = 0

1/2*x-21/2 = 0

1/2*x-21/2 = 0 // + 21/2

1/2*x = 21/2 // : 1/2

x = 21/2/1/2

x = 21

x = 21

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