Раскройте скобки и приведите подобные слагаемые:

7(5х+8)-11х=
33-8(11х-1)-2х=
х-(х-(3х-1))=
-5а-(8х-5а)=
(3х-21)-2х-(17-8х)=
9а+3(15-9х)=
-2(0,2х-0,1)+4(0,3х-1)=
13х-(9а-((с-а)-9а))=

ДАЮ 26 БАЛЛОВ
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