1. (x-5)/4 - (2x-3)/5
= 1/20[5(x-5)-4(2x-3)]
=1/20[5x-25-9x+12]
= (-4x-13)/20
2.5/(2x-1) + 2/(1-2x)
= 5/(2x-1) - 2/(2x-1)
= 3/(2x-1)
3.5/(2x-1) + 2/(1-2x) - 4/(x+5)
= 3/(2x-1) - 4/(x+5)
= [3(x+5) - 4(2x-1)] / [(2x-1)(x+5)]
= [3x+15-8x+4] / [(2x-1)(x+5)]
= (19-5x) / [(2x-1)(x+5)]
(26x-30)/15
(26x-40)/15
(14x-40)/15
(22x-40)/8
(x-38)/[(5x-3)(2x+5)]
44-x/[(5x-3)(2x+5)]
44-x/[(3-5x)(2x+5)]
4(x-11)/[(3-5x)(2x+5)]
(14x-40)/15
(26x-40)/15
(26x-10)/15
(14x-10)/15
(2-18x)/[(4x-3)(x+5)]
(9x-1)/[(4x-3)(x+5)]
(9x-1)/[(3-4x)(x+5)]
2(1-9x)/[(3-4x)(x+5)]
(26x-10)/20 = (13x-5)/10
(26x-30)/20
(26x-45)/20
(6x-10)/9
2/(4x-3)
8/(3-4x)
8/(4x-3)
2/(3-4x)
2/(4x-3)
8/(3-4x)
8/(4x-3)
2/(3-4x)
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