giải phương trình 2x-5/6-x+2=5x-3/3-6x-7/4+x b,x-4/5+3x-2/10-x=2x-5/3-7x+2/6

0 bình luận về “giải phương trình 2x-5/6-x+2=5x-3/3-6x-7/4+x b,x-4/5+3x-2/10-x=2x-5/3-7x+2/6”

1. A,2x-5/6-x-2=5x-3/3-6x-7/4+x

   <=>2x-x-5x+6x-x=-3/3-7/4+5/6+2

   <=>x=1/12

   Vậy x=1/12

   B, <=>x+3x-x-2x+7x=2/6-5/3+4/5+2/10
   <=>8x=2/6-10/6+(8/10+2/10)
   <=>8x=-8/6+10/10
   <=>8x=-4/3+1
   <=>8x=-1/3
   <=>x=-8/3

    

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