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vikavazhenina
@vikavazhenina
July 2021
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упростите выражение
-1.4*(5x-3y)+4.5*(-6x-7.8y)
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rusnc
-1.4*(5x-3y)+4.5*(-6x-7.8y)=-7х+4,2у-27х-35,1у=
=-34х-30,9у
1 votes
Thanks 3
Швагер
Раскрывая скобки, получаем: -1,4*5х + 1,4*3у - 27х - 35,1у = -7х +4,2у -27х -35,1у = -34х -30, 9у
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Thanks 1
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Answers & Comments
=-34х-30,9у