5х 3 4х 1 )= 7 2 7х 2 July 8, 2019 16 32 64 128 5 7х-(4-3 1х)=84 5 3/7-4х=3/7-1/4х 5 7х-4 5х-2 1/3х=-34/45 5 – 3х – (4 – 7х)=8х
