1 - 7(4 + 2х) = - 9 - 4х
1 - 28 - 14х = - 9 - 4х
- 14х + 4х = - 9 - 1 + 28
- 10х = 18
х = 18 : (- 10)
х = - 1,8
Ответ: { - 1,8}
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1 - 7(4 + 2х) = - 9 - 4х
1 - 28 - 14х = - 9 - 4х
- 14х + 4х = - 9 - 1 + 28
- 10х = 18
х = 18 : (- 10)
х = - 1,8
Ответ: { - 1,8}