9b+10b=380 6x-3x=36 Решите плиз дам 18 пунктов.
9b+10b=380
19b=380
b=380:19
b=20
ОТВЕТ:20
6х-3х=36
3х=36
х=36:3
х=12
ОТВЕТ:12
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Verified answer
9b+10b=380
19b=380
b=380:19
b=20
ОТВЕТ:20
6х-3х=36
3х=36
х=36:3
х=12
ОТВЕТ:12
Verified answer
9b+10b=38019b=380b=206x-3x=363x=36x=12