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x/2-2x+1/3=5/6 ...multumesc

Răspuns :

x/2-2x+1/3=5/6
3x-12x+2=5
-9x=3
x= -1/3
x/2 - 2x   = 5/6 - 1/3
(x - 4x)/2 = (5 - 2)/6
     - 3x/2 = 3/6
 x = 3/6 * (-2/3)= - 1/3