Предмет: Алгебра, автор: nastya23kon

упростите выражение
3(2у-х)-2(у -3х) при х=-2/9;у=0.25

Ответы

Автор ответа: xapugin2012

0

6у-3х-2у+6х=6у-2у-3х+6х=4у+3х при х= -2/9 ; у=0,25
4*0,25+3*(-2/9)=1+(- 2/3)=1-2/3=3/3-2/3=1/3

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