1/3x+1/4x=x-12

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Solution for 1/3x+1/4x=x-12 equation: 


x in (-oo:+oo)

(1/3)*x+(1/4)*x = x-12 // - x-12

(1/3)*x+(1/4)*x-x+12 = 0

12-5/12*x = 0 // - 12

-5/12*x = -12 // : -5/12

x = -12/(-5/12)

x = 144/5

x = 144/5

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