Решите уравнение; 1) 2х+1+3(х-2)=14;
2) 2(х-4)-5(х-6)=1;
3) -(х-5)-1,2(5-4х)=2,8;
4) -1 1/3(х-3)-2/3(х+1,5)=5.пж решите 6 класс
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