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Sagot :

A = 3x+ 1/4 -3+2x = 5x + 1/4 -12/4 = 5x -11/4
B= 1/3x +2 = x+6/3
C= 2x/3-5/6-2x/6 = 4x/6 - 5/6 - 2x/6 = 2x-5/6
D = 1/2 + 2x-x+3/2 = x+2

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