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Inessa678
@Inessa678
August 2022
2
15
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-9(4+х)=8х-2
решите уравнение
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wave911
-9(4+х)=8х-2
-36-9х=8х-2
-9х-8х=36-2
-17х=34
х=-2
Проверка:
-9*(4-2) = 8*(-2)-2
-18=-18
Верно
Ответ: х=-2
1 votes
Thanks 1
Inessa678
спасибо,а можно я еще скину и вы поможете?
wave911
да, конечно
Inessa678
я отправила
sashzay2013
-36-9х=8х-2-9х-8х=-2+36-17х=34Х=-2
0 votes
Thanks 1
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Answers & Comments
-36-9х=8х-2
-9х-8х=36-2
-17х=34
х=-2
Проверка:
-9*(4-2) = 8*(-2)-2
-18=-18
Верно
Ответ: х=-2