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PlexFX
@PlexFX
June 2022
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Вычислите: 7(4-3x)-(8,5-x)=4-3(x-8)
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caztom
7(4-3x)-(8,5-x)=4-3(x-8)
28-21х-8,5+х=4-3х+24
28-8,5-4-24=21х-х-3х
-8,5=17х
х=-8,5/17
х=-0,5
1 votes
Thanks 2
chorobaktygul
7(4-3х)-(8,5-х)=4-3(х-8)
28-21х-8,5+х=4-3х+24
-21х+х+3х=4+24-28-8,5
-17х=-8,5
х=-8,5/(-17)
х=1/2
2 votes
Thanks 1
chorobaktygul
извини я ошибся -21х+х+3х=4+24-28+8,5 -17х=8,5 х=-1/2
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Answers & Comments
28-21х-8,5+х=4-3х+24
28-8,5-4-24=21х-х-3х
-8,5=17х
х=-8,5/17
х=-0,5
28-21х-8,5+х=4-3х+24
-21х+х+3х=4+24-28-8,5
-17х=-8,5
х=-8,5/(-17)
х=1/2