решите уравнение для 6 класса 5-(1 1/2у + 1/3)*6=2 1/3у-5 1/2
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5-9у-2=2 1/3у-5 1/2
3-9у=2 1/3у-5 1/2
-9у-2 1/3у= -5 1/2-3
-11 1/3у= -8 1/2
у= -8 1/2:(-11 1/3)
у= - 17/2:(-34/3)
у= -17/2*(-3/34)
у= 3/4