12(X/3-1/2)=X+21

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Solution for 12(X/3-1/2)=X+21 equation: 


X in (-oo:+oo)

12*(X/3-(1/2)) = X+21 // - X+21

12*(X/3-(1/2))-X-21 = 0

12*(X/3-1/2)-X-21 = 0

12*(1/3*X-1/2)-X-21 = 0

12*(1/3*X-1/2)-X-21 = 0

3*X-21-6 = 0

3*X-27 = 0

3*X-27 = 0

3*X-27 = 0 // + 27

3*X = 27 // : 3

X = 27/3

X = 9

X = 9

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