a) x+1/3=2/5-(-1/3) b) 3/7-x=1/4-(-3/5) c) 2/3x+5/7=3/10 d) -21/13x+1/3=-2/3 e) |x-1,5|=2 f) |x+3/4|-1/2=0 g) |x-2|=x h) |x-3,4|+|2,6-x|=0

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