1) 1/3x+1/4+1/5x= 1 19/75
20/60x+15/60x+12/60x=1 19/75
47/60x= 1 19/75
X=1 19/75 : 47/60
X=94/75*60/47
X=8/5
X=1 3/5
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1) 1/3x+1/4+1/5x= 1 19/75
20/60x+15/60x+12/60x=1 19/75
47/60x= 1 19/75
X=1 19/75 : 47/60
X=94/75*60/47
X=8/5
X=1 3/5