Тендеудi шешiндер: 1) 5(3-2у)-4(9-у)=3(у+5); 2) 14(2х-3)-5(х+4)=2(3х+5)+5х 3)9(3х-7)+3(8х-11)=3(9х+8) 4)6(7х-11)-13(х-6)=14(2х+1)
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