Номер 1127, решить только 1 и 3. Created by Evgenia176666. matematika-ru

Номер 1127, решить только 1 и 3...

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-7х + 4х - 8х = - 9,9
-11х = - 9,9
х = -9,9 : (-11)
х = 0,9

1/8х - 2/3х + 1/2х = - 5/18
- 1/24х = - 5/18
х = - 5/18 : (-1/24)
х = - 5/18 * (- 24/1)
х = 20/3
х = 6 2/3

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Evgenia176666 Спасибо

PINKDARTHVATER 1)-7х+4х-8х=-9,9
-11х=-9,9
х=0,9
3) 1/8х-2/3х+1/2х=-5/18
9х-48х+36х=-20
-3=-20

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