Question

решите 1 и 2!!!!!!!!​

Answer 1

1.
2(7 - 3х) = 4(х + 1)
Сократим обе части уравнения на 2:
7 - 3х = 2(х + 1)
7 - 3х = 2х + 2
2х + 3х = 7 - 2
5х = 5
х = 5 : 5
х = 1

2.
[-8; 6)
_____.-8////////0//////6_________

(-∞; 10]
-∞\\\\\\\\\\\\\\\\\\0\\\\\\\\\\.10

-∞_____.-8////////0//////6___.10______
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

объединение:
(-∞; 10]

пересечение:
[-8; 6)