Решите очень срочно 1)4х+9,3=0,5х-15,2
2)это дроби 2/7х-1/2=3/4+5/14х
3)х-8/5=3,2-х/4
4)5,6-3,9у= - 4,2у+1,7
5) - 2/3у+5/6=7/9-1/18у
6)1-у/4=у+2,5/6
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