Question 57443
63. -6x-3[2x-5(x+8)]-6 
= -6x-3[2x-5x-40]-6
= -6-3[-3x-40]-6
= -6+9x+120-6
= 9x+108
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65. (1/2)(x+3)+(1/3)(3x+6)
= (1/2)x+(3/2)+x+2
= 2x+2 
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Cheers,
Stan H.