8(0.6x-0.5y)-5(0.7x-0.8y)упростить выражение
8(0.6х-0.5у)-5(0.7х-0.8у)=4.8х-4у-3.5х+4у=1.3х
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8(0.6х-0.5у)-5(0.7х-0.8у)=4.8х-4у-3.5х+4у=1.3х