Toán Lớp 8: a) 2x – 4 = 2
b) 2/x+1 – 1/x-2 = 3x-11/(x+1)(x -2)
c) x/x+11 + 3/x-12 = -12x+33/(x+11)(x-12)
d) 1/x+2 + 2/2-x = 2x-3/x^2 – 4
e) 6/x+3 = 2/x – 1
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Toán Lớp 8: a) 2x – 4 = 2
b) 2/x+1 – 1/x-2 = 3x-11/(x+1)(x -2)
c) x/x+11 + 3/x-12 = -12x+33/(x+11)(x-12)
d) 1/x+2 + 2/2-x = 2x-3/x^2 – 4
e) 6/x+3 = 2/x – 1
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