A) 2x + 1= 2*6+1=13
C) 5,5-4x=5,5-4*0,5=-15+5=-10
D) 3(-2x-1/3)=-6*-2 1/3 -1=14-1=13
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A) 2x + 1= 2*6+1=13
C) 5,5-4x=5,5-4*0,5=-15+5=-10
D) 3(-2x-1/3)=-6*-2 1/3 -1=14-1=13