(x-1/3)×1/5=2


2X-X=1/2-1+1/3X=-1/61/2(X-1)=2-1/5(X+2)1/2X-1/2=2-1/5X-2/51/2X+1/5X=2-2/5+1/27X/10=21/10X=3X+2/5=X/4X-X/4=-2/53X/4=-2/5X=-8/15
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X = -1/6②1/2(X-1)=2-1/5(X+2)X/2 - 1/2 = 2 - X/5 - 2/5X/2 + X/5 = 2 - 2/5 + 1/27X/10 = 21/10X = 3③X+2/5=X/4X - X/4 = -2/53X/4 = -2/5X = -8/15
(1)2x-x=1/2-1+1/3
(3)
x+2/5=x/4x=-1/6
20x+8=5x(2) 1/2(x-1)=1/5(x+2)
20x-5x=-85(x-1)=2((x+2)
15x=-85x-5=2x+4
x=-8/155x-2x=4+53x=9x=9
1) X=-1/62) X=33)X=-8/15

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